168991985

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{104639}}^1$

素因数の和:104680

約数の個数: 16

約数和(自身を含む): 226022400

約数和(自身を除く): 57030415

約数列:

[1, 5, 17, 19, 85, 95, 323, 1615, 104639, 523195, 1778863, 1988141, 8894315, 9940705, 33798397, 168991985]

約数ペア:

[(1, 168991985), (5, 33798397), (17, 9940705), (19, 8894315), (85, 1988141), (95, 1778863), (323, 523195), (1615, 104639)]