208711216

素因数分解:

$2^4\times 7^1\times {\mathrm{1863493}}^1$

素因数の和:1863508

約数の個数: 20

約数和(自身を含む): 462146512

約数和(自身を除く): 253435296

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1863493, 3726986, 7453972, 13044451, 14907944, 26088902, 29815888, 52177804, 104355608, 208711216]

約数ペア:

[(1, 208711216), (2, 104355608), (4, 52177804), (7, 29815888), (8, 26088902), (14, 14907944), (16, 13044451), (28, 7453972), (56, 3726986), (112, 1863493)]