51450784

素因数分解:

$2^5\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:211

約数の個数: 144

約数和(自身を含む): 136170720

約数和(自身を除く): 84719936

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 19, 22, 28, 32, 38, 44, 49, 56, 76, 77, 88, 98, 112, 133, 152, 154, 157, 176, 196, 209, 224, 266, 304, 308, 314, 352, 392, 418, 532, 539, 608, 616, 628, 784, 836, 931, 1064, 1078, 1099, 1232, 1256, 1463, 1568, 1672, 1727, 1862, 2128, 2156, 2198, 2464, 2512, 2926, 2983, 3344, 3454, 3724, 4256, 4312, 4396, 5024, 5852, 5966, 6688, 6908, 7448, 7693, 8624, 8792, 10241, 11704, 11932, 12089, 13816, 14896, 15386, 17248, 17584, 20482, 20881, 23408, 23864, 24178, 27632, 29792, 30772, 32813, 35168, 40964, 41762, 46816, 47728, 48356, 55264, 61544, 65626, 81928, 83524, 84623, 95456, 96712, 123088, 131252, 146167, 163856, 167048, 169246, 193424, 229691, 246176, 262504, 292334, 327712, 334096, 338492, 386848, 459382, 525008, 584668, 668192, 676984, 918764, 1050016, 1169336, 1353968, 1607837, 1837528, 2338672, 2707936, 3215674, 3675056, 4677344, 6431348, 7350112, 12862696, 25725392, 51450784]

約数ペア:

[(1, 51450784), (2, 25725392), (4, 12862696), (7, 7350112), (8, 6431348), (11, 4677344), (14, 3675056), (16, 3215674), (19, 2707936), (22, 2338672), (28, 1837528), (32, 1607837), (38, 1353968), (44, 1169336), (49, 1050016), (56, 918764), (76, 676984), (77, 668192), (88, 584668), (98, 525008), (112, 459382), (133, 386848), (152, 338492), (154, 334096), (157, 327712), (176, 292334), (196, 262504), (209, 246176), (224, 229691), (266, 193424), (304, 169246), (308, 167048), (314, 163856), (352, 146167), (392, 131252), (418, 123088), (532, 96712), (539, 95456), (608, 84623), (616, 83524), (628, 81928), (784, 65626), (836, 61544), (931, 55264), (1064, 48356), (1078, 47728), (1099, 46816), (1232, 41762), (1256, 40964), (1463, 35168), (1568, 32813), (1672, 30772), (1727, 29792), (1862, 27632), (2128, 24178), (2156, 23864), (2198, 23408), (2464, 20881), (2512, 20482), (2926, 17584), (2983, 17248), (3344, 15386), (3454, 14896), (3724, 13816), (4256, 12089), (4312, 11932), (4396, 11704), (5024, 10241), (5852, 8792), (5966, 8624), (6688, 7693), (6908, 7448)]