209780272

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1447}}^1$

素因数の和:1526

約数の個数: 80

約数和(自身を含む): 475094592

約数和(自身を除く): 265314320

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 41, 52, 68, 82, 104, 136, 164, 208, 221, 272, 328, 442, 533, 656, 697, 884, 1066, 1394, 1447, 1768, 2132, 2788, 2894, 3536, 4264, 5576, 5788, 8528, 9061, 11152, 11576, 18122, 18811, 23152, 24599, 36244, 37622, 49198, 59327, 72488, 75244, 98396, 118654, 144976, 150488, 196792, 237308, 300976, 319787, 393584, 474616, 639574, 771251, 949232, 1008559, 1279148, 1542502, 2017118, 2558296, 3085004, 4034236, 5116592, 6170008, 8068472, 12340016, 13111267, 16136944, 26222534, 52445068, 104890136, 209780272]

約数ペア:

[(1, 209780272), (2, 104890136), (4, 52445068), (8, 26222534), (13, 16136944), (16, 13111267), (17, 12340016), (26, 8068472), (34, 6170008), (41, 5116592), (52, 4034236), (68, 3085004), (82, 2558296), (104, 2017118), (136, 1542502), (164, 1279148), (208, 1008559), (221, 949232), (272, 771251), (328, 639574), (442, 474616), (533, 393584), (656, 319787), (697, 300976), (884, 237308), (1066, 196792), (1394, 150488), (1447, 144976), (1768, 118654), (2132, 98396), (2788, 75244), (2894, 72488), (3536, 59327), (4264, 49198), (5576, 37622), (5788, 36244), (8528, 24599), (9061, 23152), (11152, 18811), (11576, 18122)]