208984978

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{769}}^1\times {\mathrm{7993}}^1$

素因数の和:8781

約数の個数: 16

約数和(自身を含む): 332390520

約数和(自身を除く): 123405542

約数列:

[1, 2, 17, 34, 769, 1538, 7993, 13073, 15986, 26146, 135881, 271762, 6146617, 12293234, 104492489, 208984978]

約数ペア:

[(1, 208984978), (2, 104492489), (17, 12293234), (34, 6146617), (769, 271762), (1538, 135881), (7993, 26146), (13073, 15986)]