72187810

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1\times {\mathrm{661}}^1$

素因数の和:898

約数の個数: 32

約数和(自身を含む): 132887232

約数和(自身を除く): 60699422

約数列:

[1, 2, 5, 10, 67, 134, 163, 326, 335, 661, 670, 815, 1322, 1630, 3305, 6610, 10921, 21842, 44287, 54605, 88574, 107743, 109210, 215486, 221435, 442870, 538715, 1077430, 7218781, 14437562, 36093905, 72187810]

約数ペア:

[(1, 72187810), (2, 36093905), (5, 14437562), (10, 7218781), (67, 1077430), (134, 538715), (163, 442870), (326, 221435), (335, 215486), (661, 109210), (670, 107743), (815, 88574), (1322, 54605), (1630, 44287), (3305, 21842), (6610, 10921)]