1620565505

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{307}}^1\times {\mathrm{6247}}^1$

素因数の和:6585

約数の個数: 24

約数和(自身を含む): 2112973632

約数和(自身を除く): 492408127

約数列:

[1, 5, 13, 65, 169, 307, 845, 1535, 3991, 6247, 19955, 31235, 51883, 81211, 259415, 406055, 1055743, 1917829, 5278715, 9589145, 24931777, 124658885, 324113101, 1620565505]

約数ペア:

[(1, 1620565505), (5, 324113101), (13, 124658885), (65, 24931777), (169, 9589145), (307, 5278715), (845, 1917829), (1535, 1055743), (3991, 406055), (6247, 259415), (19955, 81211), (31235, 51883)]