71991736175

素因数分解:

$5^2\times {\mathrm{67}}^1\times {\mathrm{42980141}}^1$

素因数の和:42980218

約数の個数: 12

約数和(自身を含む): 90602139336

約数和(自身を除く): 18610403161

約数列:

[1, 5, 25, 67, 335, 1675, 42980141, 214900705, 1074503525, 2879669447, 14398347235, 71991736175]

約数ペア:

[(1, 71991736175), (5, 14398347235), (25, 2879669447), (67, 1074503525), (335, 214900705), (1675, 42980141)]