From 117da45effb66e87bad2dd68bc405ee04a9dba5f Mon Sep 17 00:00:00 2001
From: W0uldYouKindly <233864518+W0uldYouKindly@users.noreply.github.com>
Date: Tue, 11 Nov 2025 19:39:43 +0400
Subject: [PATCH 1/3] fixed Maths/FriendlyNumber.js

---
 Maths/FriendlyNumbers.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Maths/FriendlyNumbers.js b/Maths/FriendlyNumbers.js
index f7440384b4..977cdbadf7 100644
--- a/Maths/FriendlyNumbers.js
+++ b/Maths/FriendlyNumbers.js
@@ -20,7 +20,7 @@ export const FriendlyNumbers = (firstNumber, secondNumber) => {
     throw new Error('The two parameters must be distinct, non-null integers')
   }
 
-  return abundancyIndex(firstNumber) === abundancyIndex(secondNumber)
+  return ~~abundancyIndex(firstNumber) === ~~abundancyIndex(secondNumber)
 }
 
 function abundancyIndex(number) {
@@ -29,7 +29,7 @@ function abundancyIndex(number) {
 
 function sumDivisors(number) {
   let runningSumDivisors = number
-  for (let i = 0; i < number / 2; i++) {
+  for (let i = 0; i <= number / 2; i++) {
     if (Number.isInteger(number / i)) {
       runningSumDivisors += i
     }

From b8ed2cf7aaa697caae5b896aba84dfbacdcc3e45 Mon Sep 17 00:00:00 2001
From: W0uldYouKindly <233864518+W0uldYouKindly@users.noreply.github.com>
Date: Tue, 11 Nov 2025 19:44:58 +0400
Subject: [PATCH 2/3] Fixed Maths/FriendlyNumbers

Incorrect implementation of sumDivisors function + not Math.flooring abundancyIndex before comparing the two.
---
 Maths/FriendlyNumbers.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Maths/FriendlyNumbers.js b/Maths/FriendlyNumbers.js
index f7440384b4..2601b3b0dc 100644
--- a/Maths/FriendlyNumbers.js
+++ b/Maths/FriendlyNumbers.js
@@ -20,7 +20,7 @@ export const FriendlyNumbers = (firstNumber, secondNumber) => {
     throw new Error('The two parameters must be distinct, non-null integers')
   }
 
-  return abundancyIndex(firstNumber) === abundancyIndex(secondNumber)
+  return ~~abundancyIndex(firstNumber) === ~~abundancyIndex(secondNumber)
 }
 
 function abundancyIndex(number) {
@@ -29,7 +29,7 @@ function abundancyIndex(number) {
 
 function sumDivisors(number) {
   let runningSumDivisors = number
-  for (let i = 0; i < number / 2; i++) {
+  for (let i = 1; i <=number / 2; i++) {
     if (Number.isInteger(number / i)) {
       runningSumDivisors += i
     }

From 66f25c8e3515ebd6ce02028122faa26e3fb0a6e4 Mon Sep 17 00:00:00 2001
From: W0uldYouKindly <233864518+W0uldYouKindly@users.noreply.github.com>
Date: Tue, 11 Nov 2025 19:59:23 +0400
Subject: [PATCH 3/3] fixed coding style.

---
 Maths/FriendlyNumbers.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Maths/FriendlyNumbers.js b/Maths/FriendlyNumbers.js
index 2601b3b0dc..e91d01b912 100644
--- a/Maths/FriendlyNumbers.js
+++ b/Maths/FriendlyNumbers.js
@@ -29,7 +29,7 @@ function abundancyIndex(number) {
 
 function sumDivisors(number) {
   let runningSumDivisors = number
-  for (let i = 1; i <=number / 2; i++) {
+  for (let i = 1; i <= number / 2; i++) {
     if (Number.isInteger(number / i)) {
       runningSumDivisors += i
     }