208090085

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{11239}}^1$

素因数の和:11297

約数の個数: 24

約数和(自身を含む): 298354560

約数和(自身を除く): 90264475

約数列:

[1, 5, 7, 23, 35, 115, 161, 529, 805, 2645, 3703, 11239, 18515, 56195, 78673, 258497, 393365, 1292485, 1809479, 5945431, 9047395, 29727155, 41618017, 208090085]

約数ペア:

[(1, 208090085), (5, 41618017), (7, 29727155), (23, 9047395), (35, 5945431), (115, 1809479), (161, 1292485), (529, 393365), (805, 258497), (2645, 78673), (3703, 56195), (11239, 18515)]