1999910191105

素因数分解:

$5^1\times {\mathrm{223}}^1\times {\mathrm{643}}^1\times {\mathrm{2789489}}^1$

素因数の和:2790360

約数の個数: 16

約数和(自身を含む): 2414404016640

約数和(自身を除く): 414493825535

約数列:

[1, 5, 223, 643, 1115, 3215, 143389, 716945, 2789489, 13947445, 622056047, 1793641427, 3110280235, 8968207135, 399982038221, 1999910191105]

約数ペア:

[(1, 1999910191105), (5, 399982038221), (223, 8968207135), (643, 3110280235), (1115, 1793641427), (3215, 622056047), (143389, 13947445), (716945, 2789489)]