81180865

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{6871}}^1$

素因数の和:7032

約数の個数: 16

約数和(自身を含む): 103904640

約数和(自身を除く): 22723775

約数列:

[1, 5, 17, 85, 139, 695, 2363, 6871, 11815, 34355, 116807, 584035, 955069, 4775345, 16236173, 81180865]

約数ペア:

[(1, 81180865), (5, 16236173), (17, 4775345), (85, 955069), (139, 584035), (695, 116807), (2363, 34355), (6871, 11815)]