81226248

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:207

約数の個数: 128

約数和(自身を含む): 225227520

約数和(自身を除く): 144001272

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 37, 41, 46, 69, 74, 82, 92, 97, 111, 123, 138, 148, 164, 184, 194, 222, 246, 276, 291, 296, 328, 388, 444, 492, 552, 582, 776, 851, 888, 943, 984, 1164, 1517, 1702, 1886, 2231, 2328, 2553, 2829, 3034, 3404, 3589, 3772, 3977, 4462, 4551, 5106, 5658, 6068, 6693, 6808, 7178, 7544, 7954, 8924, 9102, 10212, 10767, 11316, 11931, 12136, 13386, 14356, 15908, 17848, 18204, 20424, 21534, 22632, 23862, 26772, 28712, 31816, 34891, 36408, 43068, 47724, 53544, 69782, 82547, 86136, 91471, 95448, 104673, 139564, 147149, 165094, 182942, 209346, 247641, 274413, 279128, 294298, 330188, 365884, 418692, 441447, 495282, 548826, 588596, 660376, 731768, 837384, 882894, 990564, 1097652, 1177192, 1765788, 1981128, 2195304, 3384427, 3531576, 6768854, 10153281, 13537708, 20306562, 27075416, 40613124, 81226248]

約数ペア:

[(1, 81226248), (2, 40613124), (3, 27075416), (4, 20306562), (6, 13537708), (8, 10153281), (12, 6768854), (23, 3531576), (24, 3384427), (37, 2195304), (41, 1981128), (46, 1765788), (69, 1177192), (74, 1097652), (82, 990564), (92, 882894), (97, 837384), (111, 731768), (123, 660376), (138, 588596), (148, 548826), (164, 495282), (184, 441447), (194, 418692), (222, 365884), (246, 330188), (276, 294298), (291, 279128), (296, 274413), (328, 247641), (388, 209346), (444, 182942), (492, 165094), (552, 147149), (582, 139564), (776, 104673), (851, 95448), (888, 91471), (943, 86136), (984, 82547), (1164, 69782), (1517, 53544), (1702, 47724), (1886, 43068), (2231, 36408), (2328, 34891), (2553, 31816), (2829, 28712), (3034, 26772), (3404, 23862), (3589, 22632), (3772, 21534), (3977, 20424), (4462, 18204), (4551, 17848), (5106, 15908), (5658, 14356), (6068, 13386), (6693, 12136), (6808, 11931), (7178, 11316), (7544, 10767), (7954, 10212), (8924, 9102)]