128492084

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{106721}}^1$

素因数の和:106775

約数の個数: 24

約数和(自身を含む): 262963008

約数和(自身を除く): 134470924

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 106721, 213442, 426884, 747047, 1494094, 2988188, 4589003, 9178006, 18356012, 32123021, 64246042, 128492084]

約数ペア:

[(1, 128492084), (2, 64246042), (4, 32123021), (7, 18356012), (14, 9178006), (28, 4589003), (43, 2988188), (86, 1494094), (172, 747047), (301, 426884), (602, 213442), (1204, 106721)]