Source: wikibot/perfect-numbers
= Perfect numbers
{wiki=Perfect_numbers}
A perfect number is a positive integer that is equal to the sum of its proper divisors, excluding itself. In simpler terms, a perfect number is a number that is the sum of its divisors (excluding the number itself). For example: - The first perfect number is 6. Its divisors are 1, 2, and 3, and their sum is \\(1 + 2 + 3 = 6\\). - The second perfect number is 28.