16912889

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{349}}^1$

素因数の和:429

約数の個数: 24

約数和(自身を含む): 21067200

約数和(自身を除く): 4154311

約数列:

[1, 7, 23, 43, 49, 161, 301, 349, 989, 1127, 2107, 2443, 6923, 8027, 15007, 17101, 48461, 56189, 105049, 345161, 393323, 735343, 2416127, 16912889]

約数ペア:

[(1, 16912889), (7, 2416127), (23, 735343), (43, 393323), (49, 345161), (161, 105049), (301, 56189), (349, 48461), (989, 17101), (1127, 15007), (2107, 8027), (2443, 6923)]