261111490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1374271}}^1$

素因数の和:1374297

約数の個数: 16

約数和(自身を含む): 494737920

約数和(自身を除く): 233626430

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 1374271, 2748542, 6871355, 13742710, 26111149, 52222298, 130555745, 261111490]

約数ペア:

[(1, 261111490), (2, 130555745), (5, 52222298), (10, 26111149), (19, 13742710), (38, 6871355), (95, 2748542), (190, 1374271)]