13897895

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{3559}}^1$

素因数の和:3646

約数の個数: 16

約数和(自身を含む): 18455040

約数和(自身を除く): 4557145

約数列:

[1, 5, 11, 55, 71, 355, 781, 3559, 3905, 17795, 39149, 195745, 252689, 1263445, 2779579, 13897895]

約数ペア:

[(1, 13897895), (5, 2779579), (11, 1263445), (55, 252689), (71, 195745), (355, 39149), (781, 17795), (3559, 3905)]