Question

Define perfect number with example



it is so important​

Answer 1

Step-by-step explanation:

In number theory, a perfect number is a positive integer that is equal to the sum of its proper positive divisors, that is, the sum of its positive divisors excluding the number itself. Equivalently, a perfect number is a number that is half the sum of all of its positive divisors i.e. σ₁ = 2n.