81849776

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{124771}}^1$

素因数の和:124820

約数の個数: 20

約数和(自身を含む): 162453144

約数和(自身を除く): 80603368

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 124771, 249542, 499084, 998168, 1996336, 5115611, 10231222, 20462444, 40924888, 81849776]

約数ペア:

[(1, 81849776), (2, 40924888), (4, 20462444), (8, 10231222), (16, 5115611), (41, 1996336), (82, 998168), (164, 499084), (328, 249542), (656, 124771)]