77601985

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1\times {\mathrm{1637}}^1$

素因数の和:2160

約数の個数: 16

約数和(自身を含む): 98280000

約数和(自身を除く): 20678015

約数列:

[1, 5, 19, 95, 499, 1637, 2495, 8185, 9481, 31103, 47405, 155515, 816863, 4084315, 15520397, 77601985]

約数ペア:

[(1, 77601985), (5, 15520397), (19, 4084315), (95, 816863), (499, 155515), (1637, 47405), (2495, 31103), (8185, 9481)]