1991002496

素因数分解:

$2^7\times 7^3\times {\mathrm{101}}^1\times {\mathrm{449}}^1$

素因数の和:585

約数の個数: 128

約数和(自身を含む): 4681800000

約数和(自身を除く): 2690797504

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 101, 112, 128, 196, 202, 224, 343, 392, 404, 448, 449, 686, 707, 784, 808, 896, 898, 1372, 1414, 1568, 1616, 1796, 2744, 2828, 3136, 3143, 3232, 3592, 4949, 5488, 5656, 6272, 6286, 6464, 7184, 9898, 10976, 11312, 12572, 12928, 14368, 19796, 21952, 22001, 22624, 25144, 28736, 34643, 39592, 43904, 44002, 45248, 45349, 50288, 57472, 69286, 79184, 88004, 90496, 90698, 100576, 138572, 154007, 158368, 176008, 181396, 201152, 277144, 308014, 316736, 317443, 352016, 362792, 402304, 554288, 616028, 633472, 634886, 704032, 725584, 1108576, 1232056, 1269772, 1408064, 1451168, 2217152, 2222101, 2464112, 2539544, 2816128, 2902336, 4434304, 4444202, 4928224, 5079088, 5804672, 8888404, 9856448, 10158176, 15554707, 17776808, 19712896, 20316352, 31109414, 35553616, 40632704, 62218828, 71107232, 124437656, 142214464, 248875312, 284428928, 497750624, 995501248, 1991002496]

約数ペア:

[(1, 1991002496), (2, 995501248), (4, 497750624), (7, 284428928), (8, 248875312), (14, 142214464), (16, 124437656), (28, 71107232), (32, 62218828), (49, 40632704), (56, 35553616), (64, 31109414), (98, 20316352), (101, 19712896), (112, 17776808), (128, 15554707), (196, 10158176), (202, 9856448), (224, 8888404), (343, 5804672), (392, 5079088), (404, 4928224), (448, 4444202), (449, 4434304), (686, 2902336), (707, 2816128), (784, 2539544), (808, 2464112), (896, 2222101), (898, 2217152), (1372, 1451168), (1414, 1408064), (1568, 1269772), (1616, 1232056), (1796, 1108576), (2744, 725584), (2828, 704032), (3136, 634886), (3143, 633472), (3232, 616028), (3592, 554288), (4949, 402304), (5488, 362792), (5656, 352016), (6272, 317443), (6286, 316736), (6464, 308014), (7184, 277144), (9898, 201152), (10976, 181396), (11312, 176008), (12572, 158368), (12928, 154007), (14368, 138572), (19796, 100576), (21952, 90698), (22001, 90496), (22624, 88004), (25144, 79184), (28736, 69286), (34643, 57472), (39592, 50288), (43904, 45349), (44002, 45248)]