81579368

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{7331}}^1$

素因数の和:7457

約数の個数: 32

約数和(自身を含む): 166289760

約数和(自身を除く): 84710392

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 107, 214, 428, 856, 1391, 2782, 5564, 7331, 11128, 14662, 29324, 58648, 95303, 190606, 381212, 762424, 784417, 1568834, 3137668, 6275336, 10197421, 20394842, 40789684, 81579368]

約数ペア:

[(1, 81579368), (2, 40789684), (4, 20394842), (8, 10197421), (13, 6275336), (26, 3137668), (52, 1568834), (104, 784417), (107, 762424), (214, 381212), (428, 190606), (856, 95303), (1391, 58648), (2782, 29324), (5564, 14662), (7331, 11128)]