219967085

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1\times {\mathrm{643}}^1$

素因数の和:957

約数の個数: 32

約数和(自身を含む): 300773760

約数和(自身を除く): 80806675

約数列:

[1, 5, 13, 19, 65, 95, 247, 277, 643, 1235, 1385, 3215, 3601, 5263, 8359, 12217, 18005, 26315, 41795, 61085, 68419, 158821, 178111, 342095, 794105, 890555, 2315443, 3384109, 11577215, 16920545, 43993417, 219967085]

約数ペア:

[(1, 219967085), (5, 43993417), (13, 16920545), (19, 11577215), (65, 3384109), (95, 2315443), (247, 890555), (277, 794105), (643, 342095), (1235, 178111), (1385, 158821), (3215, 68419), (3601, 61085), (5263, 41795), (8359, 26315), (12217, 18005)]