138744656

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{211501}}^1$

素因数の和:211550

約数の個数: 20

約数和(自身を含む): 275375604

約数和(自身を除く): 136630948

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 211501, 423002, 846004, 1692008, 3384016, 8671541, 17343082, 34686164, 69372328, 138744656]

約数ペア:

[(1, 138744656), (2, 69372328), (4, 34686164), (8, 17343082), (16, 8671541), (41, 3384016), (82, 1692008), (164, 846004), (328, 423002), (656, 211501)]