398439727

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{10177}}^1$

素因数の和:10255

約数の個数: 24

約数和(自身を含む): 501246144

約数和(自身を除く): 102806417

約数列:

[1, 7, 17, 47, 49, 119, 329, 799, 833, 2303, 5593, 10177, 39151, 71239, 173009, 478319, 498673, 1211063, 3348233, 8131423, 8477441, 23437631, 56919961, 398439727]

約数ペア:

[(1, 398439727), (7, 56919961), (17, 23437631), (47, 8477441), (49, 8131423), (119, 3348233), (329, 1211063), (799, 498673), (833, 478319), (2303, 173009), (5593, 71239), (10177, 39151)]