16401845

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{4211}}^1$

素因数の和:4276

約数の個数: 16

約数和(自身を含む): 21228480

約数和(自身を除く): 4826635

約数列:

[1, 5, 19, 41, 95, 205, 779, 3895, 4211, 21055, 80009, 172651, 400045, 863255, 3280369, 16401845]

約数ペア:

[(1, 16401845), (5, 3280369), (19, 863255), (41, 400045), (95, 172651), (205, 80009), (779, 21055), (3895, 4211)]