81993356

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{2803}}^1$

素因数の和:2981

約数の個数: 24

約数和(自身を含む): 146974464

約数和(自身を除く): 64981108

約数列:

[1, 2, 4, 71, 103, 142, 206, 284, 412, 2803, 5606, 7313, 11212, 14626, 29252, 199013, 288709, 398026, 577418, 796052, 1154836, 20498339, 40996678, 81993356]

約数ペア:

[(1, 81993356), (2, 40996678), (4, 20498339), (71, 1154836), (103, 796052), (142, 577418), (206, 398026), (284, 288709), (412, 199013), (2803, 29252), (5606, 14626), (7313, 11212)]