28727216

素因数分解:

$2^4\times 7^1\times {\mathrm{256493}}^1$

素因数の和:256508

約数の個数: 20

約数和(自身を含む): 63610512

約数和(自身を除く): 34883296

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 256493, 512986, 1025972, 1795451, 2051944, 3590902, 4103888, 7181804, 14363608, 28727216]

約数ペア:

[(1, 28727216), (2, 14363608), (4, 7181804), (7, 4103888), (8, 3590902), (14, 2051944), (16, 1795451), (28, 1025972), (56, 512986), (112, 256493)]