A351751 a(n) = Sum_{p|n, p prime} p^sigma_p(p).

0, 32, 22876792454961, 32

Offset

1,2

Comments

a(5) has 2185 digits.

Links

Table of n, a(n) for n=1..4.

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.

Sequence in context: A368327 A224087 A224084 * A123238 A372394 A225347

Adjacent sequences: A351748 A351749 A351750 * A351752 A351753 A351754

Keyword

nonn

Author

Wesley Ivan Hurt, Feb 17 2022

Status

approved