81708208

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{268777}}^1$

素因数の和:268804

約数の個数: 20

約数和(自身を含む): 166642360

約数和(自身を除く): 84934152

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 268777, 537554, 1075108, 2150216, 4300432, 5106763, 10213526, 20427052, 40854104, 81708208]

約数ペア:

[(1, 81708208), (2, 40854104), (4, 20427052), (8, 10213526), (16, 5106763), (19, 4300432), (38, 2150216), (76, 1075108), (152, 537554), (304, 268777)]