28705168

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{12907}}^1$

素因数の和:13054

約数の個数: 20

約数和(自身を含む): 56020720

約数和(自身を除く): 27315552

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 12907, 25814, 51628, 103256, 206512, 1794073, 3588146, 7176292, 14352584, 28705168]

約数ペア:

[(1, 28705168), (2, 14352584), (4, 7176292), (8, 3588146), (16, 1794073), (139, 206512), (278, 103256), (556, 51628), (1112, 25814), (2224, 12907)]