28639702

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4253}}^1$

素因数の和:4312

約数の個数: 32

約数和(自身を含む): 54315072

約数和(自身を除く): 25675370

約数列:

[1, 2, 7, 13, 14, 26, 37, 74, 91, 182, 259, 481, 518, 962, 3367, 4253, 6734, 8506, 29771, 55289, 59542, 110578, 157361, 314722, 387023, 774046, 1101527, 2045693, 2203054, 4091386, 14319851, 28639702]

約数ペア:

[(1, 28639702), (2, 14319851), (7, 4091386), (13, 2203054), (14, 2045693), (26, 1101527), (37, 774046), (74, 387023), (91, 314722), (182, 157361), (259, 110578), (481, 59542), (518, 55289), (962, 29771), (3367, 8506), (4253, 6734)]