678742352

素因数分解:

$2^4\times {\mathrm{2707}}^1\times {\mathrm{15671}}^1$

素因数の和:18386

約数の個数: 20

約数和(自身を含む): 1315633056

約数和(自身を除く): 636890704

約数列:

[1, 2, 4, 8, 16, 2707, 5414, 10828, 15671, 21656, 31342, 43312, 62684, 125368, 250736, 42421397, 84842794, 169685588, 339371176, 678742352]

約数ペア:

[(1, 678742352), (2, 339371176), (4, 169685588), (8, 84842794), (16, 42421397), (2707, 250736), (5414, 125368), (10828, 62684), (15671, 43312), (21656, 31342)]