890258154

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{31657}}^1$

素因数の和:31814

約数の個数: 32

約数和(自身を含む): 1838696640

約数和(自身を除く): 948438486

約数列:

[1, 2, 3, 6, 43, 86, 109, 129, 218, 258, 327, 654, 4687, 9374, 14061, 28122, 31657, 63314, 94971, 189942, 1361251, 2722502, 3450613, 4083753, 6901226, 8167506, 10351839, 20703678, 148376359, 296752718, 445129077, 890258154]

約数ペア:

[(1, 890258154), (2, 445129077), (3, 296752718), (6, 148376359), (43, 20703678), (86, 10351839), (109, 8167506), (129, 6901226), (218, 4083753), (258, 3450613), (327, 2722502), (654, 1361251), (4687, 189942), (9374, 94971), (14061, 63314), (28122, 31657)]