399621812

素因数分解:

$2^2\times {\mathrm{1439}}^1\times {\mathrm{69427}}^1$

素因数の和:70870

約数の個数: 12

約数和(自身を含む): 699834240

約数和(自身を除く): 300212428

約数列:

[1, 2, 4, 1439, 2878, 5756, 69427, 138854, 277708, 99905453, 199810906, 399621812]

約数ペア:

[(1, 399621812), (2, 199810906), (4, 99905453), (1439, 277708), (2878, 138854), (5756, 69427)]