256816812

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{733}}^1$

素因数の和:887

約数の個数: 96

約数和(自身を含む): 708961792

約数和(自身を除く): 452144980

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 43, 84, 86, 97, 129, 172, 194, 258, 291, 301, 388, 516, 582, 602, 679, 733, 903, 1164, 1204, 1358, 1466, 1806, 2037, 2199, 2716, 2932, 3612, 4074, 4171, 4398, 5131, 8148, 8342, 8796, 10262, 12513, 15393, 16684, 20524, 25026, 29197, 30786, 31519, 50052, 58394, 61572, 63038, 71101, 87591, 94557, 116788, 126076, 142202, 175182, 189114, 213303, 220633, 284404, 350364, 378228, 426606, 441266, 497707, 661899, 853212, 882532, 995414, 1323798, 1493121, 1990828, 2647596, 2986242, 3057343, 5972484, 6114686, 9172029, 12229372, 18344058, 21401401, 36688116, 42802802, 64204203, 85605604, 128408406, 256816812]

約数ペア:

[(1, 256816812), (2, 128408406), (3, 85605604), (4, 64204203), (6, 42802802), (7, 36688116), (12, 21401401), (14, 18344058), (21, 12229372), (28, 9172029), (42, 6114686), (43, 5972484), (84, 3057343), (86, 2986242), (97, 2647596), (129, 1990828), (172, 1493121), (194, 1323798), (258, 995414), (291, 882532), (301, 853212), (388, 661899), (516, 497707), (582, 441266), (602, 426606), (679, 378228), (733, 350364), (903, 284404), (1164, 220633), (1204, 213303), (1358, 189114), (1466, 175182), (1806, 142202), (2037, 126076), (2199, 116788), (2716, 94557), (2932, 87591), (3612, 71101), (4074, 63038), (4171, 61572), (4398, 58394), (5131, 50052), (8148, 31519), (8342, 30786), (8796, 29197), (10262, 25026), (12513, 20524), (15393, 16684)]