2021583355

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{401}}^1\times {\mathrm{1291}}^1$

素因数の和:1779

約数の個数: 32

約数和(自身を含む): 2692486656

約数和(自身を除く): 670903301

約数列:

[1, 5, 11, 55, 71, 355, 401, 781, 1291, 2005, 3905, 4411, 6455, 14201, 22055, 28471, 71005, 91661, 142355, 313181, 458305, 517691, 1008271, 1565905, 2588455, 5041355, 5694601, 28473005, 36756061, 183780305, 404316671, 2021583355]

約数ペア:

[(1, 2021583355), (5, 404316671), (11, 183780305), (55, 36756061), (71, 28473005), (355, 5694601), (401, 5041355), (781, 2588455), (1291, 1565905), (2005, 1008271), (3905, 517691), (4411, 458305), (6455, 313181), (14201, 142355), (22055, 91661), (28471, 71005)]