81154004

素因数分解:

$2^2\times {\mathrm{2381}}^1\times {\mathrm{8521}}^1$

素因数の和:10906

約数の個数: 12

約数和(自身を含む): 142095828

約数和(自身を除く): 60941824

約数列:

[1, 2, 4, 2381, 4762, 8521, 9524, 17042, 34084, 20288501, 40577002, 81154004]

約数ペア:

[(1, 81154004), (2, 40577002), (4, 20288501), (2381, 34084), (4762, 17042), (8521, 9524)]