30989268

素因数分解:

$2^2\times 3^2\times {\mathrm{860813}}^1$

素因数の和:860823

約数の個数: 18

約数和(自身を含む): 78334074

約数和(自身を除く): 47344806

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 860813, 1721626, 2582439, 3443252, 5164878, 7747317, 10329756, 15494634, 30989268]

約数ペア:

[(1, 30989268), (2, 15494634), (3, 10329756), (4, 7747317), (6, 5164878), (9, 3443252), (12, 2582439), (18, 1721626), (36, 860813)]