12788908

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{290657}}^1$

素因数の和:290672

約数の個数: 12

約数和(自身を含む): 24415272

約数和(自身を除く): 11626364

約数列:

[1, 2, 4, 11, 22, 44, 290657, 581314, 1162628, 3197227, 6394454, 12788908]

約数ペア:

[(1, 12788908), (2, 6394454), (4, 3197227), (11, 1162628), (22, 581314), (44, 290657)]