3991819

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1$

素因数の和:286

約数の個数: 16

約数和(自身を含む): 4541152

約数和(自身を除く): 549333

約数列:

[1, 13, 37, 43, 193, 481, 559, 1591, 2509, 7141, 8299, 20683, 92833, 107887, 307063, 3991819]

約数ペア:

[(1, 3991819), (13, 307063), (37, 107887), (43, 92833), (193, 20683), (481, 8299), (559, 7141), (1591, 2509)]