128555412

素因数分解:

$2^2\times 3^1\times {\mathrm{149}}^1\times {\mathrm{71899}}^1$

素因数の和:72055

約数の個数: 24

約数和(自身を含む): 301980000

約数和(自身を除く): 173424588

約数列:

[1, 2, 3, 4, 6, 12, 149, 298, 447, 596, 894, 1788, 71899, 143798, 215697, 287596, 431394, 862788, 10712951, 21425902, 32138853, 42851804, 64277706, 128555412]

約数ペア:

[(1, 128555412), (2, 64277706), (3, 42851804), (4, 32138853), (6, 21425902), (12, 10712951), (149, 862788), (298, 431394), (447, 287596), (596, 215697), (894, 143798), (1788, 71899)]