128220656

素因数分解:

$2^4\times {\mathrm{1439}}^1\times {\mathrm{5569}}^1$

素因数の和:7016

約数の個数: 20

約数和(自身を含む): 248644800

約数和(自身を除く): 120424144

約数列:

[1, 2, 4, 8, 16, 1439, 2878, 5569, 5756, 11138, 11512, 22276, 23024, 44552, 89104, 8013791, 16027582, 32055164, 64110328, 128220656]

約数ペア:

[(1, 128220656), (2, 64110328), (4, 32055164), (8, 16027582), (16, 8013791), (1439, 89104), (2878, 44552), (5569, 23024), (5756, 22276), (11138, 11512)]