A351751 - OEIS

A351751

a(n) = Sum_{p|n, p prime} p^sigma_p(p).

0, 32, 22876792454961, 32

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OFFSET

1,2

COMMENTS

a(5) has 2185 digits.

LINKS

EXAMPLE

a(3) = 22876792454961; a(3) = Sum_{p|3, p prime} p^sigma_p(p) = 3^(1^3 + 3^3) = 3^28 = 22876792454961.

CROSSREFS

Cf. A023887 (sigma_n(n)), A351749.

KEYWORD

nonn

AUTHOR

STATUS

approved