9989155

素因数分解:

$5^1\times {\mathrm{11}}^3\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:136

約数の個数: 32

約数和(自身を含む): 14054400

約数和(自身を除く): 4065245

約数列:

[1, 5, 11, 19, 55, 79, 95, 121, 209, 395, 605, 869, 1045, 1331, 1501, 2299, 4345, 6655, 7505, 9559, 11495, 16511, 25289, 47795, 82555, 105149, 126445, 181621, 525745, 908105, 1997831, 9989155]

約数ペア:

[(1, 9989155), (5, 1997831), (11, 908105), (19, 525745), (55, 181621), (79, 126445), (95, 105149), (121, 82555), (209, 47795), (395, 25289), (605, 16511), (869, 11495), (1045, 9559), (1331, 7505), (1501, 6655), (2299, 4345)]