398401829

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{9437}}^1$

素因数の和:9644

約数の個数: 16

約数和(自身を含む): 470540928

約数和(自身を除く): 72139099

約数列:

[1, 7, 37, 163, 259, 1141, 6031, 9437, 42217, 66059, 349169, 1538231, 2444183, 10767617, 56914547, 398401829]

約数ペア:

[(1, 398401829), (7, 56914547), (37, 10767617), (163, 2444183), (259, 1538231), (1141, 349169), (6031, 66059), (9437, 42217)]