868864

素因数分解:

$2^9\times {\mathrm{1697}}^1$

素因数の和:1715

約数の個数: 20

約数和(自身を含む): 1737054

約数和(自身を除く): 868190

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1697, 3394, 6788, 13576, 27152, 54304, 108608, 217216, 434432, 868864]

約数ペア:

[(1, 868864), (2, 434432), (4, 217216), (8, 108608), (16, 54304), (32, 27152), (64, 13576), (128, 6788), (256, 3394), (512, 1697)]