643803498

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{739}}^1$

素因数の和:853

約数の個数: 128

約数和(自身を含む): 1655942400

約数和(自身を除く): 1012138902

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 27, 34, 39, 51, 54, 73, 78, 102, 117, 146, 153, 219, 221, 234, 306, 351, 438, 442, 459, 657, 663, 702, 739, 918, 949, 1241, 1314, 1326, 1478, 1898, 1971, 1989, 2217, 2482, 2847, 3723, 3942, 3978, 4434, 5694, 5967, 6651, 7446, 8541, 9607, 11169, 11934, 12563, 13302, 16133, 17082, 19214, 19953, 22338, 25126, 25623, 28821, 32266, 33507, 37689, 39906, 48399, 51246, 53947, 57642, 67014, 75378, 86463, 96798, 107894, 113067, 145197, 161841, 163319, 172926, 226134, 259389, 290394, 323682, 326638, 339201, 435591, 485523, 489957, 518778, 678402, 701311, 871182, 917099, 971046, 979914, 1402622, 1456569, 1469871, 1834198, 2103933, 2751297, 2913138, 2939742, 4207866, 4409613, 5502594, 6311799, 8253891, 8819226, 11922287, 12623598, 16507782, 18935397, 23844574, 24761673, 35766861, 37870794, 49523346, 71533722, 107300583, 214601166, 321901749, 643803498]

約数ペア:

[(1, 643803498), (2, 321901749), (3, 214601166), (6, 107300583), (9, 71533722), (13, 49523346), (17, 37870794), (18, 35766861), (26, 24761673), (27, 23844574), (34, 18935397), (39, 16507782), (51, 12623598), (54, 11922287), (73, 8819226), (78, 8253891), (102, 6311799), (117, 5502594), (146, 4409613), (153, 4207866), (219, 2939742), (221, 2913138), (234, 2751297), (306, 2103933), (351, 1834198), (438, 1469871), (442, 1456569), (459, 1402622), (657, 979914), (663, 971046), (702, 917099), (739, 871182), (918, 701311), (949, 678402), (1241, 518778), (1314, 489957), (1326, 485523), (1478, 435591), (1898, 339201), (1971, 326638), (1989, 323682), (2217, 290394), (2482, 259389), (2847, 226134), (3723, 172926), (3942, 163319), (3978, 161841), (4434, 145197), (5694, 113067), (5967, 107894), (6651, 96798), (7446, 86463), (8541, 75378), (9607, 67014), (11169, 57642), (11934, 53947), (12563, 51246), (13302, 48399), (16133, 39906), (17082, 37689), (19214, 33507), (19953, 32266), (22338, 28821), (25126, 25623)]