12561009713

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{6928301}}^1$

素因数の和:6928352

約数の個数: 12

約数和(自身を含む): 15006702132

約数和(自身を除く): 2445692419

約数列:

[1, 7, 37, 49, 259, 1813, 6928301, 48498107, 256347137, 339486749, 1794429959, 12561009713]

約数ペア:

[(1, 12561009713), (7, 1794429959), (37, 339486749), (49, 256347137), (259, 48498107), (1813, 6928301)]