397392044

素因数分解:

$2^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{87071}}^1$

素因数の和:87245

約数の個数: 24

約数和(自身を含む): 799669248

約数和(自身を除く): 402277204

約数列:

[1, 2, 4, 7, 14, 28, 163, 326, 652, 1141, 2282, 4564, 87071, 174142, 348284, 609497, 1218994, 2437988, 14192573, 28385146, 56770292, 99348011, 198696022, 397392044]

約数ペア:

[(1, 397392044), (2, 198696022), (4, 99348011), (7, 56770292), (14, 28385146), (28, 14192573), (163, 2437988), (326, 1218994), (652, 609497), (1141, 348284), (2282, 174142), (4564, 87071)]