209849288

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{55457}}^1$

素因数の和:55517

約数の個数: 32

約数和(自身を含む): 439227360

約数和(自身を除く): 229378072

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 86, 88, 172, 344, 473, 946, 1892, 3784, 55457, 110914, 221828, 443656, 610027, 1220054, 2384651, 2440108, 4769302, 4880216, 9538604, 19077208, 26231161, 52462322, 104924644, 209849288]

約数ペア:

[(1, 209849288), (2, 104924644), (4, 52462322), (8, 26231161), (11, 19077208), (22, 9538604), (43, 4880216), (44, 4769302), (86, 2440108), (88, 2384651), (172, 1220054), (344, 610027), (473, 443656), (946, 221828), (1892, 110914), (3784, 55457)]