2100081665

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{537793}}^1$

素因数の和:537880

約数の個数: 16

約数和(自身を含む): 2787924096

約数和(自身を除く): 687842431

約数列:

[1, 5, 11, 55, 71, 355, 781, 3905, 537793, 2688965, 5915723, 29578615, 38183303, 190916515, 420016333, 2100081665]

約数ペア:

[(1, 2100081665), (5, 420016333), (11, 190916515), (55, 38183303), (71, 29578615), (355, 5915723), (781, 2688965), (3905, 537793)]