LeetCode Çözümleri – 507. Perfect Number

LeetCode içerisinde bulunan “Perfect Number” sorusunun açıklaması ve çözümü. Bu soruda size verilen 32-bit tamsayının “perfect number”, yani kendisi hariç pozitif tam bölenlerinin toplamı kendine eşit bir sayı olup olmadığını bulmanız isteniyor.

► LeetCode 507. Perfect Number: https://leetcode.com/problems/perfect-number/

► Problem açıklaması:

A perfect number is a positive integer that is equal to the sum of its positive divisors, excluding the number itself. A divisor of an integer x is an integer that can divide x evenly.

Given an integer n, return true if n is a perfect number, otherwise return false.

Example 1:

Input: num = 28

Output: true

Explanation: 28 = 1 + 2 + 4 + 7 + 14 1, 2, 4, 7, and 14 are all divisors of 28.

Example 2:

Input: num = 6

Output: true

Example 3:

Input: num = 496

Output: true

Example 4:

Input: num = 8128

Output: true

Example 5:

Input: num = 2

Output: false

Constraints:

1 <= num <= 10^8

https://youtu.be/1Awbh059xmk

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