208443676

素因数分解:

$2^2\times 7^1\times {\mathrm{353}}^1\times {\mathrm{21089}}^1$

素因数の和:21453

約数の個数: 24

約数和(自身を含む): 418088160

約数和(自身を除く): 209644484

約数列:

[1, 2, 4, 7, 14, 28, 353, 706, 1412, 2471, 4942, 9884, 21089, 42178, 84356, 147623, 295246, 590492, 7444417, 14888834, 29777668, 52110919, 104221838, 208443676]

約数ペア:

[(1, 208443676), (2, 104221838), (4, 52110919), (7, 29777668), (14, 14888834), (28, 7444417), (353, 590492), (706, 295246), (1412, 147623), (2471, 84356), (4942, 42178), (9884, 21089)]