28720852016

素因数分解:

$2^4\times {\mathrm{113}}^2\times {\mathrm{257}}^1\times {\mathrm{547}}^1$

素因数の和:1038

約数の個数: 60

約数和(自身を含む): 56464952232

約数和(自身を除く): 27744100216

約数列:

[1, 2, 4, 8, 16, 113, 226, 257, 452, 514, 547, 904, 1028, 1094, 1808, 2056, 2188, 4112, 4376, 8752, 12769, 25538, 29041, 51076, 58082, 61811, 102152, 116164, 123622, 140579, 204304, 232328, 247244, 281158, 464656, 494488, 562316, 988976, 1124632, 2249264, 3281633, 6563266, 6984643, 13126532, 13969286, 15885427, 26253064, 27938572, 31770854, 52506128, 55877144, 63541708, 111754288, 127083416, 254166832, 1795053251, 3590106502, 7180213004, 14360426008, 28720852016]

約数ペア:

[(1, 28720852016), (2, 14360426008), (4, 7180213004), (8, 3590106502), (16, 1795053251), (113, 254166832), (226, 127083416), (257, 111754288), (452, 63541708), (514, 55877144), (547, 52506128), (904, 31770854), (1028, 27938572), (1094, 26253064), (1808, 15885427), (2056, 13969286), (2188, 13126532), (4112, 6984643), (4376, 6563266), (8752, 3281633), (12769, 2249264), (25538, 1124632), (29041, 988976), (51076, 562316), (58082, 494488), (61811, 464656), (102152, 281158), (116164, 247244), (123622, 232328), (140579, 204304)]