Question

is 28 of perfect number explain give one more example of a perfect number​

Answer 1

Yes 28 is a special number. A special number is a number is a number whose sum of all factors is equal to the number itself

Factors of 28: 1,2,4,7,14

Sum of 1+2+4+7+14= 28

Another perfect number is 6.

Factors of 6: 1,2,3

Sum of 1+2+3= 6

Answer 2

× Perfect number, a positive integer that is equal to the sum of its proper divisors. The smallest perfect number is 6, which is the sum of 1, 2, and 3. Other perfect numbers are 28, 496, and 8,128. The discovery of such numbers is lost in prehistory.

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