208439785

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1\times {\mathrm{4397}}^1$

素因数の和:4920

約数の個数: 16

約数和(自身を含む): 263880000

約数和(自身を除く): 55440215

約数列:

[1, 5, 19, 95, 499, 2495, 4397, 9481, 21985, 47405, 83543, 417715, 2194103, 10970515, 41687957, 208439785]

約数ペア:

[(1, 208439785), (5, 41687957), (19, 10970515), (95, 2194103), (499, 417715), (2495, 83543), (4397, 47405), (9481, 21985)]