521036257

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{4871}}^1$

素因数の和:4981

約数の個数: 24

約数和(自身を含む): 633165120

約数和(自身を除く): 112128863

約数列:

[1, 7, 37, 49, 59, 259, 413, 1813, 2183, 2891, 4871, 15281, 34097, 106967, 180227, 238679, 287389, 1261589, 2011723, 8831123, 10633393, 14082061, 74433751, 521036257]

約数ペア:

[(1, 521036257), (7, 74433751), (37, 14082061), (49, 10633393), (59, 8831123), (259, 2011723), (413, 1261589), (1813, 287389), (2183, 238679), (2891, 180227), (4871, 106967), (15281, 34097)]