12556817

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3209}}^1$

素因数の和:3272

約数の個数: 16

約数和(自身を含む): 15818880

約数和(自身を除く): 3262063

約数列:

[1, 7, 13, 43, 91, 301, 559, 3209, 3913, 22463, 41717, 137987, 292019, 965909, 1793831, 12556817]

約数ペア:

[(1, 12556817), (7, 1793831), (13, 965909), (43, 292019), (91, 137987), (301, 41717), (559, 22463), (3209, 3913)]