81136555

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{79}}^1\times {\mathrm{569}}^1$

素因数の和:691

約数の個数: 24

約数和(自身を含む): 104241600

約数和(自身を除く): 23105045

約数列:

[1, 5, 19, 79, 95, 361, 395, 569, 1501, 1805, 2845, 7505, 10811, 28519, 44951, 54055, 142595, 205409, 224755, 854069, 1027045, 4270345, 16227311, 81136555]

約数ペア:

[(1, 81136555), (5, 16227311), (19, 4270345), (79, 1027045), (95, 854069), (361, 224755), (395, 205409), (569, 142595), (1501, 54055), (1805, 44951), (2845, 28519), (7505, 10811)]