81546895

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{5209}}^1$

素因数の和:5346

約数の個数: 16

約数和(自身を含む): 102032640

約数和(自身を除く): 20485745

約数列:

[1, 5, 31, 101, 155, 505, 3131, 5209, 15655, 26045, 161479, 526109, 807395, 2630545, 16309379, 81546895]

約数ペア:

[(1, 81546895), (5, 16309379), (31, 2630545), (101, 807395), (155, 526109), (505, 161479), (3131, 26045), (5209, 15655)]