490691383

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{317189}}^1$

素因数の和:317226

約数の個数: 16

約数和(自身を含む): 639455040

約数和(自身を除く): 148763657

約数列:

[1, 7, 13, 17, 91, 119, 221, 1547, 317189, 2220323, 4123457, 5392213, 28864199, 37745491, 70098769, 490691383]

約数ペア:

[(1, 490691383), (7, 70098769), (13, 37745491), (17, 28864199), (91, 5392213), (119, 4123457), (221, 2220323), (1547, 317189)]