128710211

素因数分解:

$7^2\times {\mathrm{59}}^1\times {\mathrm{211}}^2$

素因数の和:495

約数の個数: 18

約数和(自身を含む): 152986860

約数和(自身を除く): 24276649

約数列:

[1, 7, 49, 59, 211, 413, 1477, 2891, 10339, 12449, 44521, 87143, 311647, 610001, 2181529, 2626739, 18387173, 128710211]

約数ペア:

[(1, 128710211), (7, 18387173), (49, 2626739), (59, 2181529), (211, 610001), (413, 311647), (1477, 87143), (2891, 44521), (10339, 12449)]