389708

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{521}}^1$

素因数の和:553

約数の個数: 24

約数和(自身を含む): 789264

約数和(自身を除く): 399556

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 187, 374, 521, 748, 1042, 2084, 5731, 8857, 11462, 17714, 22924, 35428, 97427, 194854, 389708]

約数ペア:

[(1, 389708), (2, 194854), (4, 97427), (11, 35428), (17, 22924), (22, 17714), (34, 11462), (44, 8857), (68, 5731), (187, 2084), (374, 1042), (521, 748)]