12850555

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:223

約数の個数: 32

約数和(自身を含む): 17582400

約数和(自身を除く): 4731845

約数列:

[1, 5, 17, 19, 73, 85, 95, 109, 323, 365, 545, 1241, 1387, 1615, 1853, 2071, 6205, 6935, 7957, 9265, 10355, 23579, 35207, 39785, 117895, 135269, 151183, 176035, 676345, 755915, 2570111, 12850555]

約数ペア:

[(1, 12850555), (5, 2570111), (17, 755915), (19, 676345), (73, 176035), (85, 151183), (95, 135269), (109, 117895), (323, 39785), (365, 35207), (545, 23579), (1241, 10355), (1387, 9265), (1615, 7957), (1853, 6935), (2071, 6205)]