399702908

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{1213}}^1\times {\mathrm{7489}}^1$

素因数の和:8717

約数の個数: 24

約数和(自身を含む): 763800240

約数和(自身を除く): 364097332

約数列:

[1, 2, 4, 11, 22, 44, 1213, 2426, 4852, 7489, 13343, 14978, 26686, 29956, 53372, 82379, 164758, 329516, 9084157, 18168314, 36336628, 99925727, 199851454, 399702908]

約数ペア:

[(1, 399702908), (2, 199851454), (4, 99925727), (11, 36336628), (22, 18168314), (44, 9084157), (1213, 329516), (2426, 164758), (4852, 82379), (7489, 53372), (13343, 29956), (14978, 26686)]