Question

The sum of all the factors of a perfect number is equal to

Answer 1

Step-by-step explanation:

A number for which sum of all its factor is equal to twice the number is a perfect number, for example the device of 28 are 1247 14 and 28. So the sum of Proper divisor is 1 + 2 + 4 + 7 + 14 is equals to 28.

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Answer 2

Answer:

A number for which sum of all its factors is equal to twice the is called a perfect no. For example, the divisors of 28 are 1, 2, 4, 7, 14, and 28, so the sum of proper divisors is 1 + 2 + 4 + 7 + 14 = 28.