128729576

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{5807}}^1$

素因数の和:5993

約数の個数: 32

約数和(自身を含む): 257178240

約数和(自身を除く): 128448664

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 163, 326, 652, 1304, 2771, 5542, 5807, 11084, 11614, 22168, 23228, 46456, 98719, 197438, 394876, 789752, 946541, 1893082, 3786164, 7572328, 16091197, 32182394, 64364788, 128729576]

約数ペア:

[(1, 128729576), (2, 64364788), (4, 32182394), (8, 16091197), (17, 7572328), (34, 3786164), (68, 1893082), (136, 946541), (163, 789752), (326, 394876), (652, 197438), (1304, 98719), (2771, 46456), (5542, 23228), (5807, 22168), (11084, 11614)]