129561236

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{107609}}^1$

素因数の和:107663

約数の個数: 24

約数和(自身を含む): 265151040

約数和(自身を除く): 135589804

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 107609, 215218, 430436, 753263, 1506526, 3013052, 4627187, 9254374, 18508748, 32390309, 64780618, 129561236]

約数ペア:

[(1, 129561236), (2, 64780618), (4, 32390309), (7, 18508748), (14, 9254374), (28, 4627187), (43, 3013052), (86, 1506526), (172, 753263), (301, 430436), (602, 215218), (1204, 107609)]