64681436

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{2179}}^1$

素因数の和:2405

約数の個数: 24

約数和(自身を含む): 116647440

約数和(自身を除く): 51966004

約数列:

[1, 2, 4, 41, 82, 164, 181, 362, 724, 2179, 4358, 7421, 8716, 14842, 29684, 89339, 178678, 357356, 394399, 788798, 1577596, 16170359, 32340718, 64681436]

約数ペア:

[(1, 64681436), (2, 32340718), (4, 16170359), (41, 1577596), (82, 788798), (164, 394399), (181, 357356), (362, 178678), (724, 89339), (2179, 29684), (4358, 14842), (7421, 8716)]