221788619

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{7559}}^1$

素因数の和:7670

約数の個数: 16

約数和(自身を含む): 249359040

約数和(自身を除く): 27570421

約数列:

[1, 13, 37, 61, 481, 793, 2257, 7559, 29341, 98267, 279683, 461099, 3635879, 5994287, 17060663, 221788619]

約数ペア:

[(1, 221788619), (13, 17060663), (37, 5994287), (61, 3635879), (481, 461099), (793, 279683), (2257, 98267), (7559, 29341)]