90872155

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{86959}}^1$

素因数の和:86994

約数の個数: 16

約数和(自身を含む): 125222400

約数和(自身を除く): 34350245

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 86959, 434795, 956549, 1652221, 4782745, 8261105, 18174431, 90872155]

約数ペア:

[(1, 90872155), (5, 18174431), (11, 8261105), (19, 4782745), (55, 1652221), (95, 956549), (209, 434795), (1045, 86959)]