253674568

素因数分解:

$2^3\times 7^3\times {\mathrm{193}}^1\times {\mathrm{479}}^1$

素因数の和:699

約数の個数: 64

約数和(自身を含む): 558720000

約数和(自身を除く): 305045432

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 193, 196, 343, 386, 392, 479, 686, 772, 958, 1351, 1372, 1544, 1916, 2702, 2744, 3353, 3832, 5404, 6706, 9457, 10808, 13412, 18914, 23471, 26824, 37828, 46942, 66199, 75656, 92447, 93884, 132398, 164297, 184894, 187768, 264796, 328594, 369788, 529592, 647129, 657188, 739576, 1294258, 1314376, 2588516, 4529903, 5177032, 9059806, 18119612, 31709321, 36239224, 63418642, 126837284, 253674568]

約数ペア:

[(1, 253674568), (2, 126837284), (4, 63418642), (7, 36239224), (8, 31709321), (14, 18119612), (28, 9059806), (49, 5177032), (56, 4529903), (98, 2588516), (193, 1314376), (196, 1294258), (343, 739576), (386, 657188), (392, 647129), (479, 529592), (686, 369788), (772, 328594), (958, 264796), (1351, 187768), (1372, 184894), (1544, 164297), (1916, 132398), (2702, 93884), (2744, 92447), (3353, 75656), (3832, 66199), (5404, 46942), (6706, 37828), (9457, 26824), (10808, 23471), (13412, 18914)]