2989745

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2861}}^1$

素因数の和:2896

約数の個数: 16

約数和(自身を含む): 4121280

約数和(自身を除く): 1131535

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 2861, 14305, 31471, 54359, 157355, 271795, 597949, 2989745]

約数ペア:

[(1, 2989745), (5, 597949), (11, 271795), (19, 157355), (55, 54359), (95, 31471), (209, 14305), (1045, 2861)]