8243395

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{409}}^1$

素因数の和:582

約数の個数: 16

約数和(自身を含む): 10332000

約数和(自身を除く): 2088605

約数列:

[1, 5, 29, 139, 145, 409, 695, 2045, 4031, 11861, 20155, 56851, 59305, 284255, 1648679, 8243395]

約数ペア:

[(1, 8243395), (5, 1648679), (29, 284255), (139, 59305), (145, 56851), (409, 20155), (695, 11861), (2045, 4031)]