2105556817

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{625351}}^1$

素因数の和:625408

約数の個数: 16

約数和(自身を含む): 2661498112

約数和(自身を除く): 555941295

約数列:

[1, 7, 13, 37, 91, 259, 481, 3367, 625351, 4377457, 8129563, 23137987, 56906941, 161965909, 300793831, 2105556817]

約数ペア:

[(1, 2105556817), (7, 300793831), (13, 161965909), (37, 56906941), (91, 23137987), (259, 8129563), (481, 4377457), (3367, 625351)]