81976188

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{975907}}^1$

素因数の和:975921

約数の個数: 24

約数和(自身を含む): 218603392

約数和(自身を除く): 136627204

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 975907, 1951814, 2927721, 3903628, 5855442, 6831349, 11710884, 13662698, 20494047, 27325396, 40988094, 81976188]

約数ペア:

[(1, 81976188), (2, 40988094), (3, 27325396), (4, 20494047), (6, 13662698), (7, 11710884), (12, 6831349), (14, 5855442), (21, 3903628), (28, 2927721), (42, 1951814), (84, 975907)]