28643368

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{953}}^1$

素因数の和:1006

約数の個数: 48

約数和(自身を含む): 61504380

約数和(自身を除く): 32861012

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 289, 442, 578, 884, 953, 1156, 1768, 1906, 2312, 3757, 3812, 7514, 7624, 12389, 15028, 16201, 24778, 30056, 32402, 49556, 64804, 99112, 129608, 210613, 275417, 421226, 550834, 842452, 1101668, 1684904, 2203336, 3580421, 7160842, 14321684, 28643368]

約数ペア:

[(1, 28643368), (2, 14321684), (4, 7160842), (8, 3580421), (13, 2203336), (17, 1684904), (26, 1101668), (34, 842452), (52, 550834), (68, 421226), (104, 275417), (136, 210613), (221, 129608), (289, 99112), (442, 64804), (578, 49556), (884, 32402), (953, 30056), (1156, 24778), (1768, 16201), (1906, 15028), (2312, 12389), (3757, 7624), (3812, 7514)]