81231695

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{613}}^1\times {\mathrm{1559}}^1$

素因数の和:2194

約数の個数: 16

約数和(自身を含む): 103446720

約数和(自身を除く): 22215025

約数列:

[1, 5, 17, 85, 613, 1559, 3065, 7795, 10421, 26503, 52105, 132515, 955667, 4778335, 16246339, 81231695]

約数ペア:

[(1, 81231695), (5, 16246339), (17, 4778335), (85, 955667), (613, 132515), (1559, 52105), (3065, 26503), (7795, 10421)]