Question

What are perfect numbers ?

Answer 1

The numbers which are divisible by themselves only are called prime numbers.

Answer 2

Answer:

$Perfect Number:$

A positive integer that is equal to the sum of its proper divisors.

$Example:$

The smallest perfect number is 6, which is the sum of 1, 2, and 3.

Other perfect numbers are 28, 496, and 8,128.

Hope it helps you............