9991090

素因数分解:

$2^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{7867}}^1$

素因数の和:8001

約数の個数: 16

約数和(自身を含む): 18127872

約数和(自身を除く): 8136782

約数列:

[1, 2, 5, 10, 127, 254, 635, 1270, 7867, 15734, 39335, 78670, 999109, 1998218, 4995545, 9991090]

約数ペア:

[(1, 9991090), (2, 4995545), (5, 1998218), (10, 999109), (127, 78670), (254, 39335), (635, 15734), (1270, 7867)]