78889003390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{415205281}}^1$

素因数の和:415205307

約数の個数: 16

約数和(自身を含む): 149473901520

約数和(自身を除く): 70584898130

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 415205281, 830410562, 2076026405, 4152052810, 7888900339, 15777800678, 39444501695, 78889003390]

約数ペア:

[(1, 78889003390), (2, 39444501695), (5, 15777800678), (10, 7888900339), (19, 4152052810), (38, 2076026405), (95, 830410562), (190, 415205281)]