12840359

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1471}}^1$

素因数の和:1550

約数の個数: 16

約数和(自身を含む): 15544320

約数和(自身を除く): 2703961

約数列:

[1, 7, 29, 43, 203, 301, 1247, 1471, 8729, 10297, 42659, 63253, 298613, 442771, 1834337, 12840359]

約数ペア:

[(1, 12840359), (7, 1834337), (29, 442771), (43, 298613), (203, 63253), (301, 42659), (1247, 10297), (1471, 8729)]