Perfect number

A perfect number equals the sum of its proper divisors

Perfect number

A perfect number equals the sum of its proper divisors

A perfect number is defined as a positive integer equal to the sum of its proper divisors. These divisors exclude the number itself. For instance, 6 is a perfect number because its divisors 1, 2, and 3 sum up to 6.

Example

The number 28 is a perfect number because its divisors 1, 2, 4, 7, and 14 sum up to 28.

Understanding perfect numbers helps in studying number theory and the properties of integers.

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