64026781

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{173}}^1$

素因数の和:290

約数の個数: 32

約数和(自身を含む): 81849600

約数和(自身を除く): 17822819

約数列:

[1, 7, 13, 49, 83, 91, 173, 343, 581, 637, 1079, 1211, 2249, 4067, 4459, 7553, 8477, 14359, 15743, 28469, 52871, 59339, 100513, 110201, 186667, 370097, 703591, 771407, 1306669, 4925137, 9146683, 64026781]

約数ペア:

[(1, 64026781), (7, 9146683), (13, 4925137), (49, 1306669), (83, 771407), (91, 703591), (173, 370097), (343, 186667), (581, 110201), (637, 100513), (1079, 59339), (1211, 52871), (2249, 28469), (4067, 15743), (4459, 14359), (7553, 8477)]