2503105

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{641}}^1$

素因数の和:728

約数の個数: 16

約数和(自身を含む): 3328128

約数和(自身を除く): 825023

約数列:

[1, 5, 11, 55, 71, 355, 641, 781, 3205, 3905, 7051, 35255, 45511, 227555, 500621, 2503105]

約数ペア:

[(1, 2503105), (5, 500621), (11, 227555), (55, 45511), (71, 35255), (355, 7051), (641, 3905), (781, 3205)]