81985219

素因数分解:

${\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1\times {\mathrm{173}}^1$

素因数の和:426

約数の個数: 16

約数和(自身を含む): 85992192

約数和(自身を除く): 4006973

約数列:

[1, 43, 103, 107, 173, 4429, 4601, 7439, 11021, 17819, 18511, 473903, 766217, 795973, 1906633, 81985219]

約数ペア:

[(1, 81985219), (43, 1906633), (103, 795973), (107, 766217), (173, 473903), (4429, 18511), (4601, 17819), (7439, 11021)]