390915928

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{289139}}^1$

素因数の和:289171

約数の個数: 24

約数和(自身を含む): 793689300

約数和(自身を除く): 402773372

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 289139, 578278, 1156556, 2313112, 3758807, 7517614, 15035228, 30070456, 48864491, 97728982, 195457964, 390915928]

約数ペア:

[(1, 390915928), (2, 195457964), (4, 97728982), (8, 48864491), (13, 30070456), (26, 15035228), (52, 7517614), (104, 3758807), (169, 2313112), (338, 1156556), (676, 578278), (1352, 289139)]