128996672

素因数分解:

$2^6\times 7^1\times {\mathrm{287939}}^1$

素因数の和:287958

約数の個数: 28

約数和(自身を含む): 292547040

約数和(自身を除く): 163550368

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 287939, 575878, 1151756, 2015573, 2303512, 4031146, 4607024, 8062292, 9214048, 16124584, 18428096, 32249168, 64498336, 128996672]

約数ペア:

[(1, 128996672), (2, 64498336), (4, 32249168), (7, 18428096), (8, 16124584), (14, 9214048), (16, 8062292), (28, 4607024), (32, 4031146), (56, 2303512), (64, 2015573), (112, 1151756), (224, 575878), (448, 287939)]