a number n is said to be perfect if the sum of all its divisions (excluding n itself) is equal to n. an example of perfect no. is ?
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Step-by-step explanation:
A number n is called perfect if the sum of all its divisors (except for n itself) is n.
eg:- 6 is perfect because the divisors of 6 (besides 6) are 1, 2 and 3; and 1+2+3 = 6.
Also, 28 is perfect because the divisors of 28 (besides 28) are 1, 2, 4, 7 and 14 and 1+2+4+7+14 = 28
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