256188464

素因数分解:

$2^4\times 7^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:263

約数の個数: 120

約数和(自身を含む): 607961088

約数和(自身を除く): 351772624

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 49, 56, 62, 83, 98, 112, 124, 127, 166, 196, 217, 248, 254, 332, 392, 434, 496, 508, 581, 664, 784, 868, 889, 1016, 1162, 1328, 1519, 1736, 1778, 2032, 2324, 2573, 3038, 3472, 3556, 3937, 4067, 4648, 5146, 6076, 6223, 7112, 7874, 8134, 9296, 10292, 10541, 12152, 12446, 14224, 15748, 16268, 18011, 20584, 21082, 24304, 24892, 27559, 31496, 32536, 36022, 41168, 42164, 49784, 55118, 62992, 65072, 72044, 73787, 84328, 99568, 110236, 126077, 144088, 147574, 168656, 192913, 220472, 252154, 288176, 295148, 326771, 385826, 440944, 504308, 516509, 590296, 653542, 771652, 1008616, 1033018, 1180592, 1307084, 1543304, 2017232, 2066036, 2287397, 2614168, 3086608, 4132072, 4574794, 5228336, 8264144, 9149588, 16011779, 18299176, 32023558, 36598352, 64047116, 128094232, 256188464]

約数ペア:

[(1, 256188464), (2, 128094232), (4, 64047116), (7, 36598352), (8, 32023558), (14, 18299176), (16, 16011779), (28, 9149588), (31, 8264144), (49, 5228336), (56, 4574794), (62, 4132072), (83, 3086608), (98, 2614168), (112, 2287397), (124, 2066036), (127, 2017232), (166, 1543304), (196, 1307084), (217, 1180592), (248, 1033018), (254, 1008616), (332, 771652), (392, 653542), (434, 590296), (496, 516509), (508, 504308), (581, 440944), (664, 385826), (784, 326771), (868, 295148), (889, 288176), (1016, 252154), (1162, 220472), (1328, 192913), (1519, 168656), (1736, 147574), (1778, 144088), (2032, 126077), (2324, 110236), (2573, 99568), (3038, 84328), (3472, 73787), (3556, 72044), (3937, 65072), (4067, 62992), (4648, 55118), (5146, 49784), (6076, 42164), (6223, 41168), (7112, 36022), (7874, 32536), (8134, 31496), (9296, 27559), (10292, 24892), (10541, 24304), (12152, 21082), (12446, 20584), (14224, 18011), (15748, 16268)]