261628752

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{997}}^1$

素因数の和:1097

約数の個数: 160

約数和(自身を含む): 855373824

約数和(自身を除く): 593745072

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 33, 42, 44, 48, 56, 66, 71, 77, 84, 88, 112, 132, 142, 154, 168, 176, 213, 231, 264, 284, 308, 336, 426, 462, 497, 528, 568, 616, 781, 852, 924, 994, 997, 1136, 1232, 1491, 1562, 1704, 1848, 1988, 1994, 2343, 2982, 2991, 3124, 3408, 3696, 3976, 3988, 4686, 5467, 5964, 5982, 6248, 6979, 7952, 7976, 9372, 10934, 10967, 11928, 11964, 12496, 13958, 15952, 16401, 18744, 20937, 21868, 21934, 23856, 23928, 27916, 32802, 32901, 37488, 41874, 43736, 43868, 47856, 55832, 65604, 65802, 70787, 76769, 83748, 87472, 87736, 111664, 131208, 131604, 141574, 153538, 167496, 175472, 212361, 230307, 262416, 263208, 283148, 307076, 334992, 424722, 460614, 495509, 526416, 566296, 614152, 778657, 849444, 921228, 991018, 1132592, 1228304, 1486527, 1557314, 1698888, 1842456, 1982036, 2335971, 2973054, 3114628, 3397776, 3684912, 3964072, 4671942, 5450599, 5946108, 6229256, 7928144, 9343884, 10901198, 11892216, 12458512, 16351797, 18687768, 21802396, 23784432, 32703594, 37375536, 43604792, 65407188, 87209584, 130814376, 261628752]

約数ペア:

[(1, 261628752), (2, 130814376), (3, 87209584), (4, 65407188), (6, 43604792), (7, 37375536), (8, 32703594), (11, 23784432), (12, 21802396), (14, 18687768), (16, 16351797), (21, 12458512), (22, 11892216), (24, 10901198), (28, 9343884), (33, 7928144), (42, 6229256), (44, 5946108), (48, 5450599), (56, 4671942), (66, 3964072), (71, 3684912), (77, 3397776), (84, 3114628), (88, 2973054), (112, 2335971), (132, 1982036), (142, 1842456), (154, 1698888), (168, 1557314), (176, 1486527), (213, 1228304), (231, 1132592), (264, 991018), (284, 921228), (308, 849444), (336, 778657), (426, 614152), (462, 566296), (497, 526416), (528, 495509), (568, 460614), (616, 424722), (781, 334992), (852, 307076), (924, 283148), (994, 263208), (997, 262416), (1136, 230307), (1232, 212361), (1491, 175472), (1562, 167496), (1704, 153538), (1848, 141574), (1988, 131604), (1994, 131208), (2343, 111664), (2982, 87736), (2991, 87472), (3124, 83748), (3408, 76769), (3696, 70787), (3976, 65802), (3988, 65604), (4686, 55832), (5467, 47856), (5964, 43868), (5982, 43736), (6248, 41874), (6979, 37488), (7952, 32901), (7976, 32802), (9372, 27916), (10934, 23928), (10967, 23856), (11928, 21934), (11964, 21868), (12496, 20937), (13958, 18744), (15952, 16401)]