67890745

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{28229}}^1$

素因数の和:28284

約数の個数: 16

約数和(自身を含む): 90110160

約数和(自身を除く): 22219415

約数列:

[1, 5, 13, 37, 65, 185, 481, 2405, 28229, 141145, 366977, 1044473, 1834885, 5222365, 13578149, 67890745]

約数ペア:

[(1, 67890745), (5, 13578149), (13, 5222365), (37, 1834885), (65, 1044473), (185, 366977), (481, 141145), (2405, 28229)]