12800053

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{613}}^1$

素因数の和:796

約数の個数: 16

約数和(自身を含む): 15521920

約数和(自身を除く): 2721867

約数列:

[1, 7, 19, 133, 157, 613, 1099, 2983, 4291, 11647, 20881, 81529, 96241, 673687, 1828579, 12800053]

約数ペア:

[(1, 12800053), (7, 1828579), (19, 673687), (133, 96241), (157, 81529), (613, 20881), (1099, 11647), (2983, 4291)]