81640576

素因数分解:

$2^7\times {\mathrm{637817}}^1$

素因数の和:637831

約数の個数: 16

約数和(自身を含む): 162643590

約数和(自身を除く): 81003014

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 637817, 1275634, 2551268, 5102536, 10205072, 20410144, 40820288, 81640576]

約数ペア:

[(1, 81640576), (2, 40820288), (4, 20410144), (8, 10205072), (16, 5102536), (32, 2551268), (64, 1275634), (128, 637817)]