2561641616

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{1928947}}^1$

素因数の和:1929038

約数の個数: 20

約数和(自身を含む): 5022980592

約数和(自身を除く): 2461338976

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 1928947, 3857894, 7715788, 15431576, 30863152, 160102601, 320205202, 640410404, 1280820808, 2561641616]

約数ペア:

[(1, 2561641616), (2, 1280820808), (4, 640410404), (8, 320205202), (16, 160102601), (83, 30863152), (166, 15431576), (332, 7715788), (664, 3857894), (1328, 1928947)]