16664005

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1\times {\mathrm{433}}^1$

素因数の和:660

約数の個数: 16

約数和(自身を含む): 20623680

約数和(自身を除く): 3959675

約数列:

[1, 5, 43, 179, 215, 433, 895, 2165, 7697, 18619, 38485, 77507, 93095, 387535, 3332801, 16664005]

約数ペア:

[(1, 16664005), (5, 3332801), (43, 387535), (179, 93095), (215, 77507), (433, 38485), (895, 18619), (2165, 7697)]