685626490

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{131}}^1\times {\mathrm{1811}}^1$

素因数の和:1983

約数の個数: 48

約数和(自身を含む): 1321730784

約数和(自身を除く): 636104294

約数列:

[1, 2, 5, 10, 17, 34, 85, 131, 170, 262, 289, 578, 655, 1310, 1445, 1811, 2227, 2890, 3622, 4454, 9055, 11135, 18110, 22270, 30787, 37859, 61574, 75718, 153935, 189295, 237241, 307870, 378590, 474482, 523379, 1046758, 1186205, 2372410, 2616895, 4033097, 5233790, 8066194, 20165485, 40330970, 68562649, 137125298, 342813245, 685626490]

約数ペア:

[(1, 685626490), (2, 342813245), (5, 137125298), (10, 68562649), (17, 40330970), (34, 20165485), (85, 8066194), (131, 5233790), (170, 4033097), (262, 2616895), (289, 2372410), (578, 1186205), (655, 1046758), (1310, 523379), (1445, 474482), (1811, 378590), (2227, 307870), (2890, 237241), (3622, 189295), (4454, 153935), (9055, 75718), (11135, 61574), (18110, 37859), (22270, 30787)]