17401385

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{857}}^1$

素因数の和:1024

約数の個数: 16

約数和(自身を含む): 21745152

約数和(自身を除く): 4343767

約数列:

[1, 5, 31, 131, 155, 655, 857, 4061, 4285, 20305, 26567, 112267, 132835, 561335, 3480277, 17401385]

約数ペア:

[(1, 17401385), (5, 3480277), (31, 561335), (131, 132835), (155, 112267), (655, 26567), (857, 20305), (4061, 4285)]