2051240779

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{1109}}^1\times {\mathrm{13907}}^1$

素因数の和:15042

約数の個数: 16

約数和(自身を含む): 2470060800

約数和(自身を除く): 418820021

約数列:

[1, 7, 19, 133, 1109, 7763, 13907, 21071, 97349, 147497, 264233, 1849631, 15422863, 107960041, 293034397, 2051240779]

約数ペア:

[(1, 2051240779), (7, 293034397), (19, 107960041), (133, 15422863), (1109, 1849631), (7763, 264233), (13907, 147497), (21071, 97349)]