856402

素因数分解:

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

素因数の和:273

約数の個数: 16

約数和(自身を含む): 1346112

約数和(自身を除く): 489710

約数列:

[1, 2, 37, 71, 74, 142, 163, 326, 2627, 5254, 6031, 11573, 12062, 23146, 428201, 856402]

約数ペア:

[(1, 856402), (2, 428201), (37, 23146), (71, 12062), (74, 11573), (142, 6031), (163, 5254), (326, 2627)]