253561572

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{640307}}^1$

素因数の和:640328

約数の個数: 36

約数和(自身を含む): 699216336

約数和(自身を除く): 445654764

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 640307, 1280614, 1920921, 2561228, 3841842, 5762763, 7043377, 7683684, 11525526, 14086754, 21130131, 23051052, 28173508, 42260262, 63390393, 84520524, 126780786, 253561572]

約数ペア:

[(1, 253561572), (2, 126780786), (3, 84520524), (4, 63390393), (6, 42260262), (9, 28173508), (11, 23051052), (12, 21130131), (18, 14086754), (22, 11525526), (33, 7683684), (36, 7043377), (44, 5762763), (66, 3841842), (99, 2561228), (132, 1920921), (198, 1280614), (396, 640307)]