51307256

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:229

約数の個数: 128

約数和(自身を含む): 133056000

約数和(自身を除く): 81748744

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 43, 44, 52, 56, 77, 86, 88, 91, 104, 143, 149, 154, 172, 182, 286, 298, 301, 308, 344, 364, 473, 559, 572, 596, 602, 616, 728, 946, 1001, 1043, 1118, 1144, 1192, 1204, 1639, 1892, 1937, 2002, 2086, 2236, 2408, 3278, 3311, 3784, 3874, 3913, 4004, 4172, 4472, 6149, 6407, 6556, 6622, 7748, 7826, 8008, 8344, 11473, 12298, 12814, 13112, 13244, 13559, 15496, 15652, 21307, 22946, 24596, 25628, 26488, 27118, 31304, 42614, 43043, 44849, 45892, 49192, 51256, 54236, 70477, 83291, 85228, 86086, 89698, 91784, 108472, 140954, 149149, 166582, 170456, 172172, 179396, 281908, 298298, 333164, 344344, 358792, 493339, 563816, 583037, 596596, 666328, 916201, 986678, 1166074, 1193192, 1832402, 1973356, 2332148, 3664804, 3946712, 4664296, 6413407, 7329608, 12826814, 25653628, 51307256]

約数ペア:

[(1, 51307256), (2, 25653628), (4, 12826814), (7, 7329608), (8, 6413407), (11, 4664296), (13, 3946712), (14, 3664804), (22, 2332148), (26, 1973356), (28, 1832402), (43, 1193192), (44, 1166074), (52, 986678), (56, 916201), (77, 666328), (86, 596596), (88, 583037), (91, 563816), (104, 493339), (143, 358792), (149, 344344), (154, 333164), (172, 298298), (182, 281908), (286, 179396), (298, 172172), (301, 170456), (308, 166582), (344, 149149), (364, 140954), (473, 108472), (559, 91784), (572, 89698), (596, 86086), (602, 85228), (616, 83291), (728, 70477), (946, 54236), (1001, 51256), (1043, 49192), (1118, 45892), (1144, 44849), (1192, 43043), (1204, 42614), (1639, 31304), (1892, 27118), (1937, 26488), (2002, 25628), (2086, 24596), (2236, 22946), (2408, 21307), (3278, 15652), (3311, 15496), (3784, 13559), (3874, 13244), (3913, 13112), (4004, 12814), (4172, 12298), (4472, 11473), (6149, 8344), (6407, 8008), (6556, 7826), (6622, 7748)]