25191155

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{6451}}^1$

素因数の和:6538

約数の個数: 16

約数和(自身を含む): 33447168

約数和(自身を除く): 8256013

約数列:

[1, 5, 11, 55, 71, 355, 781, 3905, 6451, 32255, 70961, 354805, 458021, 2290105, 5038231, 25191155]

約数ペア:

[(1, 25191155), (5, 5038231), (11, 2290105), (55, 458021), (71, 354805), (355, 70961), (781, 32255), (3905, 6451)]