28740712

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1$

素因数の和:171

約数の個数: 128

約数和(自身を含む): 75075840

約数和(自身を除く): 46335128

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 37, 44, 52, 56, 74, 77, 88, 91, 97, 104, 143, 148, 154, 182, 194, 259, 286, 296, 308, 364, 388, 407, 481, 518, 572, 616, 679, 728, 776, 814, 962, 1001, 1036, 1067, 1144, 1261, 1358, 1628, 1924, 2002, 2072, 2134, 2522, 2716, 2849, 3256, 3367, 3589, 3848, 4004, 4268, 5044, 5291, 5432, 5698, 6734, 7178, 7469, 8008, 8536, 8827, 10088, 10582, 11396, 13468, 13871, 14356, 14938, 17654, 21164, 22792, 25123, 26936, 27742, 28712, 29876, 35308, 37037, 39479, 42328, 46657, 50246, 55484, 59752, 70616, 74074, 78958, 93314, 97097, 100492, 110968, 148148, 157916, 186628, 194194, 200984, 276353, 296296, 315832, 326599, 373256, 388388, 513227, 552706, 653198, 776776, 1026454, 1105412, 1306396, 2052908, 2210824, 2612792, 3592589, 4105816, 7185178, 14370356, 28740712]

約数ペア:

[(1, 28740712), (2, 14370356), (4, 7185178), (7, 4105816), (8, 3592589), (11, 2612792), (13, 2210824), (14, 2052908), (22, 1306396), (26, 1105412), (28, 1026454), (37, 776776), (44, 653198), (52, 552706), (56, 513227), (74, 388388), (77, 373256), (88, 326599), (91, 315832), (97, 296296), (104, 276353), (143, 200984), (148, 194194), (154, 186628), (182, 157916), (194, 148148), (259, 110968), (286, 100492), (296, 97097), (308, 93314), (364, 78958), (388, 74074), (407, 70616), (481, 59752), (518, 55484), (572, 50246), (616, 46657), (679, 42328), (728, 39479), (776, 37037), (814, 35308), (962, 29876), (1001, 28712), (1036, 27742), (1067, 26936), (1144, 25123), (1261, 22792), (1358, 21164), (1628, 17654), (1924, 14938), (2002, 14356), (2072, 13871), (2134, 13468), (2522, 11396), (2716, 10582), (2849, 10088), (3256, 8827), (3367, 8536), (3589, 8008), (3848, 7469), (4004, 7178), (4268, 6734), (5044, 5698), (5291, 5432)]