198889168

素因数分解:

$2^4\times {\mathrm{2789}}^1\times {\mathrm{4457}}^1$

素因数の和:7254

約数の個数: 20

約数和(自身を含む): 385572420

約数和(自身を除く): 186683252

約数列:

[1, 2, 4, 8, 16, 2789, 4457, 5578, 8914, 11156, 17828, 22312, 35656, 44624, 71312, 12430573, 24861146, 49722292, 99444584, 198889168]

約数ペア:

[(1, 198889168), (2, 99444584), (4, 49722292), (8, 24861146), (16, 12430573), (2789, 71312), (4457, 44624), (5578, 35656), (8914, 22312), (11156, 17828)]