1.

If N denotes the set of all positive integers and if f : N to N is defined byf(n) = the sum of positive divisors of n then, f(2^(k)3), where k is a positive integer, is

Answer»

`2^(k+1)-1`
`2(2^(k+1)-1)`
`3(2^(k+1)-1)`
`4(2^(k+1)-1)`

ANSWER :D


Discussion

No Comment Found

Related InterviewSolutions