81806555

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{4903}}^1$

素因数の和:5026

約数の個数: 16

約数和(自身を含む): 101689344

約数和(自身を除く): 19882789

約数列:

[1, 5, 47, 71, 235, 355, 3337, 4903, 16685, 24515, 230441, 348113, 1152205, 1740565, 16361311, 81806555]

約数ペア:

[(1, 81806555), (5, 16361311), (47, 1740565), (71, 1152205), (235, 348113), (355, 230441), (3337, 24515), (4903, 16685)]