256038272

素因数分解:

$2^7\times 7^1\times {\mathrm{285757}}^1$

素因数の和:285778

約数の個数: 32

約数和(自身を含む): 582946320

約数和(自身を除く): 326908048

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 285757, 571514, 1143028, 2000299, 2286056, 4000598, 4572112, 8001196, 9144224, 16002392, 18288448, 32004784, 36576896, 64009568, 128019136, 256038272]

約数ペア:

[(1, 256038272), (2, 128019136), (4, 64009568), (7, 36576896), (8, 32004784), (14, 18288448), (16, 16002392), (28, 9144224), (32, 8001196), (56, 4572112), (64, 4000598), (112, 2286056), (128, 2000299), (224, 1143028), (448, 571514), (896, 285757)]