1890897841

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{2473}}^1\times {\mathrm{5749}}^1$

素因数の和:8248

約数の個数: 16

約数和(自身を含む): 2276080000

約数和(自身を除く): 385182159

約数列:

[1, 7, 19, 133, 2473, 5749, 17311, 40243, 46987, 109231, 328909, 764617, 14217277, 99520939, 270128263, 1890897841]

約数ペア:

[(1, 1890897841), (7, 270128263), (19, 99520939), (133, 14217277), (2473, 764617), (5749, 328909), (17311, 109231), (40243, 46987)]