201839155

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{81223}}^1$

素因数の和:81306

約数の個数: 16

約数和(自身を含む): 280710144

約数和(自身を除く): 78870989

約数列:

[1, 5, 7, 35, 71, 355, 497, 2485, 81223, 406115, 568561, 2842805, 5766833, 28834165, 40367831, 201839155]

約数ペア:

[(1, 201839155), (5, 40367831), (7, 28834165), (35, 5766833), (71, 2842805), (355, 568561), (497, 406115), (2485, 81223)]