13081288

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{3457}}^1$

素因数の和:3517

約数の個数: 32

約数和(自身を含む): 27387360

約数和(自身を除く): 14306072

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 86, 88, 172, 344, 473, 946, 1892, 3457, 3784, 6914, 13828, 27656, 38027, 76054, 148651, 152108, 297302, 304216, 594604, 1189208, 1635161, 3270322, 6540644, 13081288]

約数ペア:

[(1, 13081288), (2, 6540644), (4, 3270322), (8, 1635161), (11, 1189208), (22, 594604), (43, 304216), (44, 297302), (86, 152108), (88, 148651), (172, 76054), (344, 38027), (473, 27656), (946, 13828), (1892, 6914), (3457, 3784)]