256109728

素因数分解:

$2^5\times 7^1\times {\mathrm{1143347}}^1$

素因数の和:1143364

約数の個数: 24

約数和(自身を含む): 576247392

約数和(自身を除く): 320137664

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 1143347, 2286694, 4573388, 8003429, 9146776, 16006858, 18293552, 32013716, 36587104, 64027432, 128054864, 256109728]

約数ペア:

[(1, 256109728), (2, 128054864), (4, 64027432), (7, 36587104), (8, 32013716), (14, 18293552), (16, 16006858), (28, 9146776), (32, 8003429), (56, 4573388), (112, 2286694), (224, 1143347)]