28444801

素因数分解:

$7^1\times {\mathrm{11}}^3\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:154

約数の個数: 32

約数和(自身を含む): 37103616

約数和(自身を除く): 8658815

約数列:

[1, 7, 11, 43, 71, 77, 121, 301, 473, 497, 781, 847, 1331, 3053, 3311, 5203, 5467, 8591, 9317, 21371, 33583, 36421, 57233, 60137, 94501, 235081, 369413, 400631, 661507, 2585891, 4063543, 28444801]

約数ペア:

[(1, 28444801), (7, 4063543), (11, 2585891), (43, 661507), (71, 400631), (77, 369413), (121, 235081), (301, 94501), (473, 60137), (497, 57233), (781, 36421), (847, 33583), (1331, 21371), (3053, 9317), (3311, 8591), (5203, 5467)]