81011644

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{61559}}^1$

素因数の和:61617

約数の個数: 24

約数和(自身を含む): 165473280

約数和(自身を除く): 84461636

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 658, 1316, 61559, 123118, 246236, 430913, 861826, 1723652, 2893273, 5786546, 11573092, 20252911, 40505822, 81011644]

約数ペア:

[(1, 81011644), (2, 40505822), (4, 20252911), (7, 11573092), (14, 5786546), (28, 2893273), (47, 1723652), (94, 861826), (188, 430913), (329, 246236), (658, 123118), (1316, 61559)]