219778832

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{557}}^1$

素因数の和:856

約数の個数: 80

約数和(自身を含む): 526966272

約数和(自身を除く): 307187440

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 271, 364, 542, 557, 728, 1084, 1114, 1456, 1897, 2168, 2228, 3523, 3794, 3899, 4336, 4456, 7046, 7241, 7588, 7798, 8912, 14092, 14482, 15176, 15596, 24661, 28184, 28964, 30352, 31192, 49322, 50687, 56368, 57928, 62384, 98644, 101374, 115856, 150947, 197288, 202748, 301894, 394576, 405496, 603788, 810992, 1056629, 1207576, 1962311, 2113258, 2415152, 3924622, 4226516, 7849244, 8453032, 13736177, 15698488, 16906064, 27472354, 31396976, 54944708, 109889416, 219778832]

約数ペア:

[(1, 219778832), (2, 109889416), (4, 54944708), (7, 31396976), (8, 27472354), (13, 16906064), (14, 15698488), (16, 13736177), (26, 8453032), (28, 7849244), (52, 4226516), (56, 3924622), (91, 2415152), (104, 2113258), (112, 1962311), (182, 1207576), (208, 1056629), (271, 810992), (364, 603788), (542, 405496), (557, 394576), (728, 301894), (1084, 202748), (1114, 197288), (1456, 150947), (1897, 115856), (2168, 101374), (2228, 98644), (3523, 62384), (3794, 57928), (3899, 56368), (4336, 50687), (4456, 49322), (7046, 31192), (7241, 30352), (7588, 28964), (7798, 28184), (8912, 24661), (14092, 15596), (14482, 15176)]