397995026

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{2671}}^1$

素因数の和:3218

約数の個数: 32

約数和(自身を含む): 702971136

約数和(自身を除く): 304976110

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 521, 1042, 2671, 5342, 5731, 6773, 11462, 13546, 29381, 34723, 58762, 69446, 74503, 149006, 381953, 763906, 1391591, 2783182, 15307501, 18090683, 30615002, 36181366, 198997513, 397995026]

約数ペア:

[(1, 397995026), (2, 198997513), (11, 36181366), (13, 30615002), (22, 18090683), (26, 15307501), (143, 2783182), (286, 1391591), (521, 763906), (1042, 381953), (2671, 149006), (5342, 74503), (5731, 69446), (6773, 58762), (11462, 34723), (13546, 29381)]