81470608

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{124193}}^1$

素因数の和:124242

約数の個数: 20

約数和(自身を含む): 161700588

約数和(自身を除く): 80229980

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 124193, 248386, 496772, 993544, 1987088, 5091913, 10183826, 20367652, 40735304, 81470608]

約数ペア:

[(1, 81470608), (2, 40735304), (4, 20367652), (8, 10183826), (16, 5091913), (41, 1987088), (82, 993544), (164, 496772), (328, 248386), (656, 124193)]