205121969

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{251}}^1\times {\mathrm{1699}}^1$

素因数の和:2000

約数の個数: 16

約数和(自身を含む): 227908800

約数和(自身を除く): 22786831

約数列:

[1, 13, 37, 251, 481, 1699, 3263, 9287, 22087, 62863, 120731, 426449, 817219, 5543837, 15778613, 205121969]

約数ペア:

[(1, 205121969), (13, 15778613), (37, 5543837), (251, 817219), (481, 426449), (1699, 120731), (3263, 62863), (9287, 22087)]