191161789

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{997}}^1$

素因数の和:1074

約数の個数: 32

約数和(自身を含む): 245907200

約数和(自身を除く): 54745411

約数列:

[1, 7, 13, 43, 49, 91, 301, 343, 559, 637, 997, 2107, 3913, 4459, 6979, 12961, 14749, 27391, 42871, 48853, 90727, 191737, 300097, 341971, 557323, 635089, 2100679, 3901261, 4445623, 14704753, 27308827, 191161789]

約数ペア:

[(1, 191161789), (7, 27308827), (13, 14704753), (43, 4445623), (49, 3901261), (91, 2100679), (301, 635089), (343, 557323), (559, 341971), (637, 300097), (997, 191737), (2107, 90727), (3913, 48853), (4459, 42871), (6979, 27391), (12961, 14749)]