12766117

素因数分解:

$7^4\times {\mathrm{13}}^1\times {\mathrm{409}}^1$

素因数の和:450

約数の個数: 20

約数和(自身を含む): 16077740

約数和(自身を除く): 3311623

約数列:

[1, 7, 13, 49, 91, 343, 409, 637, 2401, 2863, 4459, 5317, 20041, 31213, 37219, 140287, 260533, 982009, 1823731, 12766117]

約数ペア:

[(1, 12766117), (7, 1823731), (13, 982009), (49, 260533), (91, 140287), (343, 37219), (409, 31213), (637, 20041), (2401, 5317), (2863, 4459)]