205128972888

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{1221005791}}^1$

素因数の和:1221005807

約数の個数: 32

約数和(自身を含む): 586082780160

約数和(自身を除く): 380953807272

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 1221005791, 2442011582, 3663017373, 4884023164, 7326034746, 8547040537, 9768046328, 14652069492, 17094081074, 25641121611, 29304138984, 34188162148, 51282243222, 68376324296, 102564486444, 205128972888]

約数ペア:

[(1, 205128972888), (2, 102564486444), (3, 68376324296), (4, 51282243222), (6, 34188162148), (7, 29304138984), (8, 25641121611), (12, 17094081074), (14, 14652069492), (21, 9768046328), (24, 8547040537), (28, 7326034746), (42, 4884023164), (56, 3663017373), (84, 2442011582), (168, 1221005791)]