208805989

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{11927}}^1$

素因数の和:12036

約数の個数: 16

約数和(自身を含む): 248484096

約数和(自身を除く): 39678107

約数列:

[1, 7, 41, 61, 287, 427, 2501, 11927, 17507, 83489, 489007, 727547, 3423049, 5092829, 29829427, 208805989]

約数ペア:

[(1, 208805989), (7, 29829427), (41, 5092829), (61, 3423049), (287, 727547), (427, 489007), (2501, 83489), (11927, 17507)]