28137728

素因数分解:

$2^8\times {\mathrm{109913}}^1$

素因数の和:109929

約数の個数: 18

約数和(自身を含む): 56166054

約数和(自身を除く): 28028326

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 109913, 219826, 439652, 879304, 1758608, 3517216, 7034432, 14068864, 28137728]

約数ペア:

[(1, 28137728), (2, 14068864), (4, 7034432), (8, 3517216), (16, 1758608), (32, 879304), (64, 439652), (128, 219826), (256, 109913)]