81291617

素因数分解:

${\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1\times {\mathrm{457}}^1$

素因数の和:728

約数の個数: 16

約数和(自身を含む): 90310272

約数和(自身を除く): 9018655

約数列:

[1, 11, 103, 157, 457, 1133, 1727, 5027, 16171, 47071, 71749, 177881, 517781, 789239, 7390147, 81291617]

約数ペア:

[(1, 81291617), (11, 7390147), (103, 789239), (157, 517781), (457, 177881), (1133, 71749), (1727, 47071), (5027, 16171)]