81856149788

素因数分解:

$2^2\times 7^1\times {\mathrm{1013}}^1\times {\mathrm{2885917}}^1$

素因数の和:2886941

約数の個数: 24

約数和(自身を含む): 163873967712

約数和(自身を除く): 82017817924

約数列:

[1, 2, 4, 7, 14, 28, 1013, 2026, 4052, 7091, 14182, 28364, 2885917, 5771834, 11543668, 20201419, 40402838, 80805676, 2923433921, 5846867842, 11693735684, 20464037447, 40928074894, 81856149788]

約数ペア:

[(1, 81856149788), (2, 40928074894), (4, 20464037447), (7, 11693735684), (14, 5846867842), (28, 2923433921), (1013, 80805676), (2026, 40402838), (4052, 20201419), (7091, 11543668), (14182, 5771834), (28364, 2885917)]