64908910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{8311}}^1$

素因数の和:8400

約数の個数: 32

約数和(自身を含む): 129268224

約数和(自身を除く): 64359314

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 142, 355, 710, 781, 1562, 3905, 7810, 8311, 16622, 41555, 83110, 91421, 182842, 457105, 590081, 914210, 1180162, 2950405, 5900810, 6490891, 12981782, 32454455, 64908910]

約数ペア:

[(1, 64908910), (2, 32454455), (5, 12981782), (10, 6490891), (11, 5900810), (22, 2950405), (55, 1180162), (71, 914210), (110, 590081), (142, 457105), (355, 182842), (710, 91421), (781, 83110), (1562, 41555), (3905, 16622), (7810, 8311)]