Maxima Function
divsum (n, k)
divsum(n)
divsum (n, k)
returns the sum of the divisors of n
raised to the k'th power.
divsum (n)
returns the sum of the divisors of n.
(%i1) divsum (12); (%o1) 28 (%i2) 1 + 2 + 3 + 4 + 6 + 12; (%o2) 28 (%i3) divsum (12, 2); (%o3) 210 (%i4) 1^2 + 2^2 + 3^2 + 4^2 + 6^2 + 12^2; (%o4) 210