131443790

素因数分解:

$2^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{32779}}^1$

素因数の和:33187

約数の個数: 16

約数和(自身を含む): 237196080

約数和(自身を除く): 105752290

約数列:

[1, 2, 5, 10, 401, 802, 2005, 4010, 32779, 65558, 163895, 327790, 13144379, 26288758, 65721895, 131443790]

約数ペア:

[(1, 131443790), (2, 65721895), (5, 26288758), (10, 13144379), (401, 327790), (802, 163895), (2005, 65558), (4010, 32779)]