1228518

素因数分解:

$2^1\times 3^2\times {\mathrm{131}}^1\times {\mathrm{521}}^1$

素因数の和:660

約数の個数: 24

約数和(自身を含む): 2687256

約数和(自身を除く): 1458738

約数列:

[1, 2, 3, 6, 9, 18, 131, 262, 393, 521, 786, 1042, 1179, 1563, 2358, 3126, 4689, 9378, 68251, 136502, 204753, 409506, 614259, 1228518]

約数ペア:

[(1, 1228518), (2, 614259), (3, 409506), (6, 204753), (9, 136502), (18, 68251), (131, 9378), (262, 4689), (393, 3126), (521, 2358), (786, 1563), (1042, 1179)]