81864445

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{5099}}^1$

素因数の和:5149

約数の個数: 24

約数和(自身を含む): 111996000

約数和(自身を除く): 30131555

約数列:

[1, 5, 13, 19, 65, 95, 169, 247, 845, 1235, 3211, 5099, 16055, 25495, 66287, 96881, 331435, 484405, 861731, 1259453, 4308655, 6297265, 16372889, 81864445]

約数ペア:

[(1, 81864445), (5, 16372889), (13, 6297265), (19, 4308655), (65, 1259453), (95, 861731), (169, 484405), (247, 331435), (845, 96881), (1235, 66287), (3211, 25495), (5099, 16055)]