25761281

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{2161}}^1$

素因数の和:2312

約数の個数: 16

約数和(自身を含む): 31963008

約数和(自身を除く): 6201727

約数列:

[1, 7, 13, 91, 131, 917, 1703, 2161, 11921, 15127, 28093, 196651, 283091, 1981637, 3680183, 25761281]

約数ペア:

[(1, 25761281), (7, 3680183), (13, 1981637), (91, 283091), (131, 196651), (917, 28093), (1703, 15127), (2161, 11921)]