12784208

素因数分解:

$2^4\times {\mathrm{257}}^1\times {\mathrm{3109}}^1$

素因数の和:3374

約数の個数: 20

約数和(自身を含む): 24873780

約数和(自身を除く): 12089572

約数列:

[1, 2, 4, 8, 16, 257, 514, 1028, 2056, 3109, 4112, 6218, 12436, 24872, 49744, 799013, 1598026, 3196052, 6392104, 12784208]

約数ペア:

[(1, 12784208), (2, 6392104), (4, 3196052), (8, 1598026), (16, 799013), (257, 49744), (514, 24872), (1028, 12436), (2056, 6218), (3109, 4112)]