81058712

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:169

約数の個数: 128

約数和(自身を含む): 196992000

約数和(自身を除く): 115933288

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 29, 37, 38, 56, 58, 71, 74, 76, 116, 133, 142, 148, 152, 203, 232, 259, 266, 284, 296, 406, 497, 518, 532, 551, 568, 703, 812, 994, 1036, 1064, 1073, 1102, 1349, 1406, 1624, 1988, 2059, 2072, 2146, 2204, 2627, 2698, 2812, 3857, 3976, 4118, 4292, 4408, 4921, 5254, 5396, 5624, 7511, 7714, 8236, 8584, 9443, 9842, 10508, 10792, 14413, 15022, 15428, 16472, 18389, 18886, 19684, 20387, 21016, 28826, 30044, 30856, 36778, 37772, 39121, 39368, 40774, 49913, 57652, 60088, 73556, 75544, 76183, 78242, 81548, 99826, 115304, 142709, 147112, 152366, 156484, 163096, 199652, 273847, 285418, 304732, 312968, 349391, 399304, 533281, 547694, 570836, 609464, 698782, 1066562, 1095388, 1141672, 1397564, 1447477, 2133124, 2190776, 2795128, 2894954, 4266248, 5789908, 10132339, 11579816, 20264678, 40529356, 81058712]

約数ペア:

[(1, 81058712), (2, 40529356), (4, 20264678), (7, 11579816), (8, 10132339), (14, 5789908), (19, 4266248), (28, 2894954), (29, 2795128), (37, 2190776), (38, 2133124), (56, 1447477), (58, 1397564), (71, 1141672), (74, 1095388), (76, 1066562), (116, 698782), (133, 609464), (142, 570836), (148, 547694), (152, 533281), (203, 399304), (232, 349391), (259, 312968), (266, 304732), (284, 285418), (296, 273847), (406, 199652), (497, 163096), (518, 156484), (532, 152366), (551, 147112), (568, 142709), (703, 115304), (812, 99826), (994, 81548), (1036, 78242), (1064, 76183), (1073, 75544), (1102, 73556), (1349, 60088), (1406, 57652), (1624, 49913), (1988, 40774), (2059, 39368), (2072, 39121), (2146, 37772), (2204, 36778), (2627, 30856), (2698, 30044), (2812, 28826), (3857, 21016), (3976, 20387), (4118, 19684), (4292, 18886), (4408, 18389), (4921, 16472), (5254, 15428), (5396, 15022), (5624, 14413), (7511, 10792), (7714, 10508), (8236, 9842), (8584, 9443)]