1991330510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15317927}}^1$

素因数の和:15317947

約数の個数: 16

約数和(自身を含む): 3860117856

約数和(自身を除く): 1868787346

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 15317927, 30635854, 76589635, 153179270, 199133051, 398266102, 995665255, 1991330510]

約数ペア:

[(1, 1991330510), (2, 995665255), (5, 398266102), (10, 199133051), (13, 153179270), (26, 76589635), (65, 30635854), (130, 15317927)]