1,2

Table of n, a(n) for n=1..72.

Eric Weisstein's World of Mathematics, Divisor Function.

Cf. A048528.

Sequence in context: A002334 A115732 A246578 * A222312 A298676 A114519

Adjacent sequences: A048944 A048945 A048946 * A048948 A048949 A048950

nonn

Eric W. Weisstein

Definition edited by Daniel Forgues, Nov 07 2009

Offset to 1 by R. J. Mathar, Sep 22 2016

approved