12989431

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{409}}^1$

素因数の和:778

約数の個数: 16

約数和(自身を含む): 16072000

約数和(自身を除く): 3082569

約数列:

[1, 7, 13, 91, 349, 409, 2443, 2863, 4537, 5317, 31759, 37219, 142741, 999187, 1855633, 12989431]

約数ペア:

[(1, 12989431), (7, 1855633), (13, 999187), (91, 142741), (349, 37219), (409, 31759), (2443, 5317), (2863, 4537)]