838628

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{491}}^1$

素因数の和:563

約数の個数: 24

約数和(自身を含む): 1708224

約数和(自身を除く): 869596

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 491, 854, 982, 1708, 1964, 3437, 6874, 13748, 29951, 59902, 119804, 209657, 419314, 838628]

約数ペア:

[(1, 838628), (2, 419314), (4, 209657), (7, 119804), (14, 59902), (28, 29951), (61, 13748), (122, 6874), (244, 3437), (427, 1964), (491, 1708), (854, 982)]