209401744

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{304363}}^1$

素因数の和:304414

約数の個数: 20

約数和(自身を含む): 415152496

約数和(自身を除く): 205750752

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 304363, 608726, 1217452, 2434904, 4869808, 13087609, 26175218, 52350436, 104700872, 209401744]

約数ペア:

[(1, 209401744), (2, 104700872), (4, 52350436), (8, 26175218), (16, 13087609), (43, 4869808), (86, 2434904), (172, 1217452), (344, 608726), (688, 304363)]