259765855

素因数分解:

$5^1\times {\mathrm{149}}^1\times {\mathrm{431}}^1\times {\mathrm{809}}^1$

素因数の和:1394

約数の個数: 16

約数和(自身を含む): 314928000

約数和(自身を除く): 55162145

約数列:

[1, 5, 149, 431, 745, 809, 2155, 4045, 64219, 120541, 321095, 348679, 602705, 1743395, 51953171, 259765855]

約数ペア:

[(1, 259765855), (5, 51953171), (149, 1743395), (431, 602705), (745, 348679), (809, 321095), (2155, 120541), (4045, 64219)]