12687331321

素因数分解:

$7^2\times {\mathrm{1237}}^1\times {\mathrm{209317}}^1$

素因数の和:210568

約数の個数: 12

約数和(自身を含む): 14770733988

約数和(自身を除く): 2083402667

約数列:

[1, 7, 49, 1237, 8659, 60613, 209317, 1465219, 10256533, 258925129, 1812475903, 12687331321]

約数ペア:

[(1, 12687331321), (7, 1812475903), (49, 258925129), (1237, 10256533), (8659, 1465219), (60613, 209317)]