213589424

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{122471}}^1$

素因数の和:122588

約数の個数: 20

約数和(自身を含む): 417629520

約数和(自身を除く): 204040096

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 122471, 244942, 489884, 979768, 1959536, 13349339, 26698678, 53397356, 106794712, 213589424]

約数ペア:

[(1, 213589424), (2, 106794712), (4, 53397356), (8, 26698678), (16, 13349339), (109, 1959536), (218, 979768), (436, 489884), (872, 244942), (1744, 122471)]