12781312

素因数分解:

$2^8\times {\mathrm{49927}}^1$

素因数の和:49943

約数の個数: 18

約数和(自身を含む): 25513208

約数和(自身を除く): 12731896

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 49927, 99854, 199708, 399416, 798832, 1597664, 3195328, 6390656, 12781312]

約数ペア:

[(1, 12781312), (2, 6390656), (4, 3195328), (8, 1597664), (16, 798832), (32, 399416), (64, 199708), (128, 99854), (256, 49927)]