81720904

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{600889}}^1$

素因数の和:600912

約数の個数: 16

約数和(自身を含む): 162240300

約数和(自身を除く): 80519396

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 600889, 1201778, 2403556, 4807112, 10215113, 20430226, 40860452, 81720904]

約数ペア:

[(1, 81720904), (2, 40860452), (4, 20430226), (8, 10215113), (17, 4807112), (34, 2403556), (68, 1201778), (136, 600889)]