664059475

素因数分解:

$5^2\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{3793}}^1$

素因数の和:3999

約数の個数: 24

約数和(自身を含む): 846820800

約数和(自身を除く): 182761325

約数列:

[1, 5, 25, 47, 149, 235, 745, 1175, 3725, 3793, 7003, 18965, 35015, 94825, 175075, 178271, 565157, 891355, 2825785, 4456775, 14128925, 26562379, 132811895, 664059475]

約数ペア:

[(1, 664059475), (5, 132811895), (25, 26562379), (47, 14128925), (149, 4456775), (235, 2825785), (745, 891355), (1175, 565157), (3725, 178271), (3793, 175075), (7003, 94825), (18965, 35015)]