128367629

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{1609}}^1$

素因数の和:1677

約数の個数: 24

約数和(自身を含む): 154579320

約数和(自身を除く): 26211691

約数列:

[1, 13, 17, 19, 221, 247, 323, 361, 1609, 4199, 4693, 6137, 20917, 27353, 30571, 79781, 355589, 397423, 519707, 580849, 6756191, 7551037, 9874433, 128367629]

約数ペア:

[(1, 128367629), (13, 9874433), (17, 7551037), (19, 6756191), (221, 580849), (247, 519707), (323, 397423), (361, 355589), (1609, 79781), (4199, 30571), (4693, 27353), (6137, 20917)]