28720852013

素因数分解:

$7^2\times {\mathrm{43}}^1\times {\mathrm{13631159}}^1$

素因数の和:13631216

約数の個数: 12

約数和(自身を含む): 34186949280

約数和(自身を除く): 5466097267

約数列:

[1, 7, 43, 49, 301, 2107, 13631159, 95418113, 586139837, 667926791, 4102978859, 28720852013]

約数ペア:

[(1, 28720852013), (7, 4102978859), (43, 667926791), (49, 586139837), (301, 95418113), (2107, 13631159)]