279913308857

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{9817}}^1\times {\mathrm{313331}}^1$

素因数の和:323168

約数の個数: 16

約数和(自身を含む): 344544880512

約数和(自身を除く): 64631571655

約数列:

[1, 7, 13, 91, 9817, 68719, 127621, 313331, 893347, 2193317, 4073303, 28513121, 3075970427, 21531792989, 39987615551, 279913308857]

約数ペア:

[(1, 279913308857), (7, 39987615551), (13, 21531792989), (91, 3075970427), (9817, 28513121), (68719, 4073303), (127621, 2193317), (313331, 893347)]