289500016

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{409}}^1$

素因数の和:554

約数の個数: 80

約数和(自身を含む): 627772320

約数和(自身を除く): 338272304

約数列:

[1, 2, 4, 8, 13, 16, 26, 41, 52, 82, 83, 104, 164, 166, 208, 328, 332, 409, 533, 656, 664, 818, 1066, 1079, 1328, 1636, 2132, 2158, 3272, 3403, 4264, 4316, 5317, 6544, 6806, 8528, 8632, 10634, 13612, 16769, 17264, 21268, 27224, 33538, 33947, 42536, 44239, 54448, 67076, 67894, 85072, 88478, 134152, 135788, 176956, 217997, 268304, 271576, 353912, 435994, 441311, 543152, 707824, 871988, 882622, 1391827, 1743976, 1765244, 2783654, 3487952, 3530488, 5567308, 7060976, 11134616, 18093751, 22269232, 36187502, 72375004, 144750008, 289500016]

約数ペア:

[(1, 289500016), (2, 144750008), (4, 72375004), (8, 36187502), (13, 22269232), (16, 18093751), (26, 11134616), (41, 7060976), (52, 5567308), (82, 3530488), (83, 3487952), (104, 2783654), (164, 1765244), (166, 1743976), (208, 1391827), (328, 882622), (332, 871988), (409, 707824), (533, 543152), (656, 441311), (664, 435994), (818, 353912), (1066, 271576), (1079, 268304), (1328, 217997), (1636, 176956), (2132, 135788), (2158, 134152), (3272, 88478), (3403, 85072), (4264, 67894), (4316, 67076), (5317, 54448), (6544, 44239), (6806, 42536), (8528, 33947), (8632, 33538), (10634, 27224), (13612, 21268), (16769, 17264)]