681807021119

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{20095111}}^1$

素因数の和:20095286

約数の個数: 16

約数和(自身を含む): 806376654336

約数和(自身を除く): 124569633217

約数列:

[1, 7, 37, 131, 259, 917, 4847, 33929, 20095111, 140665777, 743519107, 2632459541, 5204633749, 18427216787, 97401003017, 681807021119]

約数ペア:

[(1, 681807021119), (7, 97401003017), (37, 18427216787), (131, 5204633749), (259, 2632459541), (917, 743519107), (4847, 140665777), (33929, 20095111)]