12990478

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{349}}^1\times {\mathrm{503}}^1$

素因数の和:891

約数の個数: 16

約数和(自身を含む): 20109600

約数和(自身を除く): 7119122

約数列:

[1, 2, 37, 74, 349, 503, 698, 1006, 12913, 18611, 25826, 37222, 175547, 351094, 6495239, 12990478]

約数ペア:

[(1, 12990478), (2, 6495239), (37, 351094), (74, 175547), (349, 37222), (503, 25826), (698, 18611), (1006, 12913)]