125577215

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{18701}}^1$

素因数の和:18802

約数の個数: 16

約数和(自身を含む): 161585280

約数和(自身を除く): 36008065

約数列:

[1, 5, 17, 79, 85, 395, 1343, 6715, 18701, 93505, 317917, 1477379, 1589585, 7386895, 25115443, 125577215]

約数ペア:

[(1, 125577215), (5, 25115443), (17, 7386895), (79, 1589585), (85, 1477379), (395, 317917), (1343, 93505), (6715, 18701)]