400904404

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{839}}^1\times {\mathrm{7027}}^1$

素因数の和:7887

約数の個数: 24

約数和(自身を含む): 743843520

約数和(自身を除く): 342939116

約数列:

[1, 2, 4, 17, 34, 68, 839, 1678, 3356, 7027, 14054, 14263, 28108, 28526, 57052, 119459, 238918, 477836, 5895653, 11791306, 23582612, 100226101, 200452202, 400904404]

約数ペア:

[(1, 400904404), (2, 200452202), (4, 100226101), (17, 23582612), (34, 11791306), (68, 5895653), (839, 477836), (1678, 238918), (3356, 119459), (7027, 57052), (14054, 28526), (14263, 28108)]