1227865856

素因数分解:

$2^8\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^3$

素因数の和:139

約数の個数: 144

約数和(自身を含む): 3020279808

約数和(自身を除く): 1792413952

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 31, 32, 46, 56, 62, 64, 92, 112, 124, 128, 161, 184, 217, 224, 248, 256, 322, 368, 434, 448, 496, 644, 713, 736, 868, 896, 961, 992, 1288, 1426, 1472, 1736, 1792, 1922, 1984, 2576, 2852, 2944, 3472, 3844, 3968, 4991, 5152, 5704, 5888, 6727, 6944, 7688, 7936, 9982, 10304, 11408, 13454, 13888, 15376, 19964, 20608, 22103, 22816, 26908, 27776, 29791, 30752, 39928, 41216, 44206, 45632, 53816, 55552, 59582, 61504, 79856, 88412, 91264, 107632, 119164, 123008, 154721, 159712, 176824, 182528, 208537, 215264, 238328, 246016, 309442, 319424, 353648, 417074, 430528, 476656, 618884, 638848, 685193, 707296, 834148, 861056, 953312, 1237768, 1277696, 1370386, 1414592, 1668296, 1722112, 1906624, 2475536, 2740772, 2829184, 3336592, 3813248, 4796351, 4951072, 5481544, 5658368, 6673184, 7626496, 9592702, 9902144, 10963088, 13346368, 19185404, 19804288, 21926176, 26692736, 38370808, 39608576, 43852352, 53385472, 76741616, 87704704, 153483232, 175409408, 306966464, 613932928, 1227865856]

約数ペア:

[(1, 1227865856), (2, 613932928), (4, 306966464), (7, 175409408), (8, 153483232), (14, 87704704), (16, 76741616), (23, 53385472), (28, 43852352), (31, 39608576), (32, 38370808), (46, 26692736), (56, 21926176), (62, 19804288), (64, 19185404), (92, 13346368), (112, 10963088), (124, 9902144), (128, 9592702), (161, 7626496), (184, 6673184), (217, 5658368), (224, 5481544), (248, 4951072), (256, 4796351), (322, 3813248), (368, 3336592), (434, 2829184), (448, 2740772), (496, 2475536), (644, 1906624), (713, 1722112), (736, 1668296), (868, 1414592), (896, 1370386), (961, 1277696), (992, 1237768), (1288, 953312), (1426, 861056), (1472, 834148), (1736, 707296), (1792, 685193), (1922, 638848), (1984, 618884), (2576, 476656), (2852, 430528), (2944, 417074), (3472, 353648), (3844, 319424), (3968, 309442), (4991, 246016), (5152, 238328), (5704, 215264), (5888, 208537), (6727, 182528), (6944, 176824), (7688, 159712), (7936, 154721), (9982, 123008), (10304, 119164), (11408, 107632), (13454, 91264), (13888, 88412), (15376, 79856), (19964, 61504), (20608, 59582), (22103, 55552), (22816, 53816), (26908, 45632), (27776, 44206), (29791, 41216), (30752, 39928)]