668629638

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{1198261}}^1$

素因数の和:1198300

約数の個数: 24

約数和(自身を含む): 1495430976

約数和(自身を除く): 826801338

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 186, 279, 558, 1198261, 2396522, 3594783, 7189566, 10784349, 21568698, 37146091, 74292182, 111438273, 222876546, 334314819, 668629638]

約数ペア:

[(1, 668629638), (2, 334314819), (3, 222876546), (6, 111438273), (9, 74292182), (18, 37146091), (31, 21568698), (62, 10784349), (93, 7189566), (186, 3594783), (279, 2396522), (558, 1198261)]