256425156

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{182639}}^1$

素因数の和:182665

約数の個数: 48

約数和(自身を含む): 715948800

約数和(自身を除く): 459523644

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 117, 156, 234, 351, 468, 702, 1404, 182639, 365278, 547917, 730556, 1095834, 1643751, 2191668, 2374307, 3287502, 4748614, 4931253, 6575004, 7122921, 9497228, 9862506, 14245842, 19725012, 21368763, 28491684, 42737526, 64106289, 85475052, 128212578, 256425156]

約数ペア:

[(1, 256425156), (2, 128212578), (3, 85475052), (4, 64106289), (6, 42737526), (9, 28491684), (12, 21368763), (13, 19725012), (18, 14245842), (26, 9862506), (27, 9497228), (36, 7122921), (39, 6575004), (52, 4931253), (54, 4748614), (78, 3287502), (108, 2374307), (117, 2191668), (156, 1643751), (234, 1095834), (351, 730556), (468, 547917), (702, 365278), (1404, 182639)]