2660464

素因数分解:

$2^4\times {\mathrm{257}}^1\times {\mathrm{647}}^1$

素因数の和:912

約数の個数: 20

約数和(自身を含む): 5182704

約数和(自身を除く): 2522240

約数列:

[1, 2, 4, 8, 16, 257, 514, 647, 1028, 1294, 2056, 2588, 4112, 5176, 10352, 166279, 332558, 665116, 1330232, 2660464]

約数ペア:

[(1, 2660464), (2, 1330232), (4, 665116), (8, 332558), (16, 166279), (257, 10352), (514, 5176), (647, 4112), (1028, 2588), (1294, 2056)]