81007368

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{259639}}^1$

素因数の和:259661

約数の個数: 32

約数和(自身を含む): 218097600

約数和(自身を除く): 137090232

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 259639, 519278, 778917, 1038556, 1557834, 2077112, 3115668, 3375307, 6231336, 6750614, 10125921, 13501228, 20251842, 27002456, 40503684, 81007368]

約数ペア:

[(1, 81007368), (2, 40503684), (3, 27002456), (4, 20251842), (6, 13501228), (8, 10125921), (12, 6750614), (13, 6231336), (24, 3375307), (26, 3115668), (39, 2077112), (52, 1557834), (78, 1038556), (104, 778917), (156, 519278), (312, 259639)]