81188212

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{78367}}^1$

素因数の和:78415

約数の個数: 24

約数和(自身を含む): 166767104

約数和(自身を除く): 85578892

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 78367, 156734, 313468, 548569, 1097138, 2194276, 2899579, 5799158, 11598316, 20297053, 40594106, 81188212]

約数ペア:

[(1, 81188212), (2, 40594106), (4, 20297053), (7, 11598316), (14, 5799158), (28, 2899579), (37, 2194276), (74, 1097138), (148, 548569), (259, 313468), (518, 156734), (1036, 78367)]