691108

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1$

素因数の和:267

約数の個数: 24

約数和(自身を含む): 1340640

約数和(自身を除く): 649532

約数列:

[1, 2, 4, 11, 22, 44, 113, 139, 226, 278, 452, 556, 1243, 1529, 2486, 3058, 4972, 6116, 15707, 31414, 62828, 172777, 345554, 691108]

約数ペア:

[(1, 691108), (2, 345554), (4, 172777), (11, 62828), (22, 31414), (44, 15707), (113, 6116), (139, 4972), (226, 3058), (278, 2486), (452, 1529), (556, 1243)]