127689956

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{1680131}}^1$

素因数の和:1680154

約数の個数: 12

約数和(自身を含む): 235218480

約数和(自身を除く): 107528524

約数列:

[1, 2, 4, 19, 38, 76, 1680131, 3360262, 6720524, 31922489, 63844978, 127689956]

約数ペア:

[(1, 127689956), (2, 63844978), (4, 31922489), (19, 6720524), (38, 3360262), (76, 1680131)]