662974990

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2138629}}^1$

素因数の和:2138667

約数の個数: 16

約数和(自身を含む): 1231850880

約数和(自身を除く): 568875890

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 2138629, 4277258, 10693145, 21386290, 66297499, 132594998, 331487495, 662974990]

約数ペア:

[(1, 662974990), (2, 331487495), (5, 132594998), (10, 66297499), (31, 21386290), (62, 10693145), (155, 4277258), (310, 2138629)]