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sigma.m

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Given nonnegative integers k and n, sigma(k,n) is the sum of the kth powers of the divisors of n.

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Given nonnegative integers k and n, sigma(k,n) is the sum of the kth powers of the divisors of n. When k=0, this is just the number of divisors of n.

Note: This program requires first downloading factor2.m.

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