9889945

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2143}}^1$

素因数の和:2232

約数の個数: 16

約数和(自身を含む): 12966912

約数和(自身を除く): 3076967

約数列:

[1, 5, 13, 65, 71, 355, 923, 2143, 4615, 10715, 27859, 139295, 152153, 760765, 1977989, 9889945]

約数ペア:

[(1, 9889945), (5, 1977989), (13, 760765), (65, 152153), (71, 139295), (355, 27859), (923, 10715), (2143, 4615)]