1281698678

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1146421}}^1$

素因数の和:1146479

約数の個数: 16

約数和(自身を含む): 2118587856

約数和(自身を除く): 836889178

約数列:

[1, 2, 13, 26, 43, 86, 559, 1118, 1146421, 2292842, 14903473, 29806946, 49296103, 98592206, 640849339, 1281698678]

約数ペア:

[(1, 1281698678), (2, 640849339), (13, 98592206), (26, 49296103), (43, 29806946), (86, 14903473), (559, 2292842), (1118, 1146421)]