820422109

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{21997}}^1$

素因数の和:22180

約数の個数: 16

約数和(自身を含む): 936234880

約数和(自身を除く): 115812771

約数列:

[1, 13, 19, 151, 247, 1963, 2869, 21997, 37297, 285961, 417943, 3321547, 5433259, 43180111, 63109393, 820422109]

約数ペア:

[(1, 820422109), (13, 63109393), (19, 43180111), (151, 5433259), (247, 3321547), (1963, 417943), (2869, 285961), (21997, 37297)]