12686812

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{1013}}^1$

素因数の和:1149

約数の個数: 24

約数和(自身を含む): 23167872

約数和(自身を除く): 10481060

約数列:

[1, 2, 4, 31, 62, 101, 124, 202, 404, 1013, 2026, 3131, 4052, 6262, 12524, 31403, 62806, 102313, 125612, 204626, 409252, 3171703, 6343406, 12686812]

約数ペア:

[(1, 12686812), (2, 6343406), (4, 3171703), (31, 409252), (62, 204626), (101, 125612), (124, 102313), (202, 62806), (404, 31403), (1013, 12524), (2026, 6262), (3131, 4052)]