161708525

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{30949}}^1$

素因数の和:30989

約数の個数: 24

約数和(自身を含む): 230268000

約数和(自身を除く): 68559475

約数列:

[1, 5, 11, 19, 25, 55, 95, 209, 275, 475, 1045, 5225, 30949, 154745, 340439, 588031, 773725, 1702195, 2940155, 6468341, 8510975, 14700775, 32341705, 161708525]

約数ペア:

[(1, 161708525), (5, 32341705), (11, 14700775), (19, 8510975), (25, 6468341), (55, 2940155), (95, 1702195), (209, 773725), (275, 588031), (475, 340439), (1045, 154745), (5225, 30949)]