64720904

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{475889}}^1$

素因数の和:475912

約数の個数: 16

約数和(自身を含む): 128490300

約数和(自身を除く): 63769396

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 475889, 951778, 1903556, 3807112, 8090113, 16180226, 32360452, 64720904]

約数ペア:

[(1, 64720904), (2, 32360452), (4, 16180226), (8, 8090113), (17, 3807112), (34, 1903556), (68, 951778), (136, 475889)]