321996656

素因数分解:

$2^4\times {\mathrm{179}}^1\times {\mathrm{112429}}^1$

素因数の和:112616

約数の個数: 20

約数和(自身を含む): 627359400

約数和(自身を除く): 305362744

約数列:

[1, 2, 4, 8, 16, 179, 358, 716, 1432, 2864, 112429, 224858, 449716, 899432, 1798864, 20124791, 40249582, 80499164, 160998328, 321996656]

約数ペア:

[(1, 321996656), (2, 160998328), (4, 80499164), (8, 40249582), (16, 20124791), (179, 1798864), (358, 899432), (716, 449716), (1432, 224858), (2864, 112429)]