12784784

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{19489}}^1$

素因数の和:19538

約数の個数: 20

約数和(自身を含む): 25375980

約数和(自身を除く): 12591196

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 19489, 38978, 77956, 155912, 311824, 799049, 1598098, 3196196, 6392392, 12784784]

約数ペア:

[(1, 12784784), (2, 6392392), (4, 3196196), (8, 1598098), (16, 799049), (41, 311824), (82, 155912), (164, 77956), (328, 38978), (656, 19489)]