251986787

素因数分解:

${\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{317}}^1\times {\mathrm{1301}}^1$

素因数の和:1678

約数の個数: 16

約数和(自身を含む): 278232192

約数和(自身を除く): 26245405

約数列:

[1, 13, 47, 317, 611, 1301, 4121, 14899, 16913, 61147, 193687, 412417, 794911, 5361421, 19383599, 251986787]

約数ペア:

[(1, 251986787), (13, 19383599), (47, 5361421), (317, 794911), (611, 412417), (1301, 193687), (4121, 61147), (14899, 16913)]