31686874

素因数分解:

$2^1\times {\mathrm{37}}^2\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:310

約数の個数: 24

約数和(自身を含む): 49841568

約数和(自身を除く): 18154694

約数列:

[1, 2, 37, 71, 74, 142, 163, 326, 1369, 2627, 2738, 5254, 6031, 11573, 12062, 23146, 97199, 194398, 223147, 428201, 446294, 856402, 15843437, 31686874]

約数ペア:

[(1, 31686874), (2, 15843437), (37, 856402), (71, 446294), (74, 428201), (142, 223147), (163, 194398), (326, 97199), (1369, 23146), (2627, 12062), (2738, 11573), (5254, 6031)]