209291216239

素因数分解:

$7^3\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{296347}}^1$

素因数の和:296468

約数の個数: 32

約数和(自身を含む): 256044672000

約数和(自身を除く): 46753455761

約数列:

[1, 7, 29, 49, 71, 203, 343, 497, 1421, 2059, 3479, 9947, 14413, 24353, 100891, 296347, 706237, 2074429, 8594063, 14521003, 21040637, 60158441, 101647021, 147284459, 421109087, 610178473, 1030991213, 2947763609, 4271249311, 7216938491, 29898745177, 209291216239]

約数ペア:

[(1, 209291216239), (7, 29898745177), (29, 7216938491), (49, 4271249311), (71, 2947763609), (203, 1030991213), (343, 610178473), (497, 421109087), (1421, 147284459), (2059, 101647021), (3479, 60158441), (9947, 21040637), (14413, 14521003), (24353, 8594063), (100891, 2074429), (296347, 706237)]