2585891

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:143

約数の個数: 24

約数和(自身を含む): 3370752

約数和(自身を除く): 784861

約数列:

[1, 7, 11, 43, 71, 77, 121, 301, 473, 497, 781, 847, 3053, 3311, 5203, 5467, 8591, 21371, 33583, 36421, 60137, 235081, 369413, 2585891]

約数ペア:

[(1, 2585891), (7, 369413), (11, 235081), (43, 60137), (71, 36421), (77, 33583), (121, 21371), (301, 8591), (473, 5467), (497, 5203), (781, 3311), (847, 3053)]