129109421

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{4051}}^1$

素因数の和:4244

約数の個数: 16

約数和(自身を含む): 153651840

約数和(自身を除く): 24542419

約数列:

[1, 7, 29, 157, 203, 1099, 4051, 4553, 28357, 31871, 117479, 636007, 822353, 4452049, 18444203, 129109421]

約数ペア:

[(1, 129109421), (7, 18444203), (29, 4452049), (157, 822353), (203, 636007), (1099, 117479), (4051, 31871), (4553, 28357)]