28001072

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{159097}}^1$

素因数の和:159116

約数の個数: 20

約数和(自身を含む): 59184456

約数和(自身を除く): 31183384

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 159097, 318194, 636388, 1272776, 1750067, 2545552, 3500134, 7000268, 14000536, 28001072]

約数ペア:

[(1, 28001072), (2, 14000536), (4, 7000268), (8, 3500134), (11, 2545552), (16, 1750067), (22, 1272776), (44, 636388), (88, 318194), (176, 159097)]