398640844

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{490937}}^1$

素因数の和:490977

約数の個数: 24

約数和(自身を含む): 824775840

約数和(自身を除く): 426134996

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 406, 812, 490937, 981874, 1963748, 3436559, 6873118, 13746236, 14237173, 28474346, 56948692, 99660211, 199320422, 398640844]

約数ペア:

[(1, 398640844), (2, 199320422), (4, 99660211), (7, 56948692), (14, 28474346), (28, 14237173), (29, 13746236), (58, 6873118), (116, 3436559), (203, 1963748), (406, 981874), (812, 490937)]