Definition:Aliquot Sum/Sequence

From ProofWiki
Jump to navigation Jump to search

Sequence of Aliquot Sums

The sequence of aliquot sums begins:

$\begin{array} {r|r} n & \map s n \\ \hline 1 & 0 \\ 2 & 1 \\ 3 & 1 \\ 4 & 3 \\ 5 & 1 \\ 6 & 6 \\ 7 & 1 \\ 8 & 7 \\ 9 & 4 \\ 10 & 8 \\ 11 & 1 \\ 12 & 16 \\ 13 & 1 \\ 14 & 10 \\ 15 & 9 \\ 16 & 15 \end{array}$

This sequence is A001065 in the On-Line Encyclopedia of Integer Sequences (N. J. A. Sloane (Ed.), 2008).