2009557571

素因数分解:

$7^2\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{11491}}^1$

素因数の和:11631

約数の個数: 24

約数和(自身を含む): 2421042624

約数和(自身を除く): 411485053

約数列:

[1, 7, 43, 49, 83, 301, 581, 2107, 3569, 4067, 11491, 24983, 80437, 174881, 494113, 563059, 953753, 3458791, 6676271, 24211537, 41011379, 46733897, 287079653, 2009557571]

約数ペア:

[(1, 2009557571), (7, 287079653), (43, 46733897), (49, 41011379), (83, 24211537), (301, 6676271), (581, 3458791), (2107, 953753), (3569, 563059), (4067, 494113), (11491, 174881), (24983, 80437)]