639738576

素因数分解:

$2^4\times 3^2\times {\mathrm{157}}^1\times {\mathrm{28297}}^1$

素因数の和:28468

約数の個数: 60

約数和(自身を含む): 1801846852

約数和(自身を除く): 1162108276

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 157, 314, 471, 628, 942, 1256, 1413, 1884, 2512, 2826, 3768, 5652, 7536, 11304, 22608, 28297, 56594, 84891, 113188, 169782, 226376, 254673, 339564, 452752, 509346, 679128, 1018692, 1358256, 2037384, 4074768, 4442629, 8885258, 13327887, 17770516, 26655774, 35541032, 39983661, 53311548, 71082064, 79967322, 106623096, 159934644, 213246192, 319869288, 639738576]

約数ペア:

[(1, 639738576), (2, 319869288), (3, 213246192), (4, 159934644), (6, 106623096), (8, 79967322), (9, 71082064), (12, 53311548), (16, 39983661), (18, 35541032), (24, 26655774), (36, 17770516), (48, 13327887), (72, 8885258), (144, 4442629), (157, 4074768), (314, 2037384), (471, 1358256), (628, 1018692), (942, 679128), (1256, 509346), (1413, 452752), (1884, 339564), (2512, 254673), (2826, 226376), (3768, 169782), (5652, 113188), (7536, 84891), (11304, 56594), (22608, 28297)]