668831272

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{2141}}^1\times {\mathrm{2297}}^1$

素因数の和:4461

約数の個数: 32

約数和(自身を含む): 1329025320

約数和(自身を除く): 660194048

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 2141, 2297, 4282, 4594, 8564, 9188, 17128, 18376, 36397, 39049, 72794, 78098, 145588, 156196, 291176, 312392, 4917877, 9835754, 19671508, 39343016, 83603909, 167207818, 334415636, 668831272]

約数ペア:

[(1, 668831272), (2, 334415636), (4, 167207818), (8, 83603909), (17, 39343016), (34, 19671508), (68, 9835754), (136, 4917877), (2141, 312392), (2297, 291176), (4282, 156196), (4594, 145588), (8564, 78098), (9188, 72794), (17128, 39049), (18376, 36397)]