208347776

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{577}}^1$

素因数の和:642

約数の個数: 128

約数和(自身を含む): 528245760

約数和(自身を除く): 319897984

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 52, 56, 62, 64, 91, 104, 112, 124, 128, 182, 208, 217, 224, 248, 364, 403, 416, 434, 448, 496, 577, 728, 806, 832, 868, 896, 992, 1154, 1456, 1612, 1664, 1736, 1984, 2308, 2821, 2912, 3224, 3472, 3968, 4039, 4616, 5642, 5824, 6448, 6944, 7501, 8078, 9232, 11284, 11648, 12896, 13888, 15002, 16156, 17887, 18464, 22568, 25792, 27776, 30004, 32312, 35774, 36928, 45136, 51584, 52507, 60008, 64624, 71548, 73856, 90272, 105014, 120016, 125209, 129248, 143096, 180544, 210028, 232531, 240032, 250418, 258496, 286192, 361088, 420056, 465062, 480064, 500836, 516992, 572384, 840112, 930124, 960128, 1001672, 1144768, 1627717, 1680224, 1860248, 2003344, 2289536, 3255434, 3360448, 3720496, 4006688, 6510868, 6720896, 7440992, 8013376, 13021736, 14881984, 16026752, 26043472, 29763968, 52086944, 104173888, 208347776]

約数ペア:

[(1, 208347776), (2, 104173888), (4, 52086944), (7, 29763968), (8, 26043472), (13, 16026752), (14, 14881984), (16, 13021736), (26, 8013376), (28, 7440992), (31, 6720896), (32, 6510868), (52, 4006688), (56, 3720496), (62, 3360448), (64, 3255434), (91, 2289536), (104, 2003344), (112, 1860248), (124, 1680224), (128, 1627717), (182, 1144768), (208, 1001672), (217, 960128), (224, 930124), (248, 840112), (364, 572384), (403, 516992), (416, 500836), (434, 480064), (448, 465062), (496, 420056), (577, 361088), (728, 286192), (806, 258496), (832, 250418), (868, 240032), (896, 232531), (992, 210028), (1154, 180544), (1456, 143096), (1612, 129248), (1664, 125209), (1736, 120016), (1984, 105014), (2308, 90272), (2821, 73856), (2912, 71548), (3224, 64624), (3472, 60008), (3968, 52507), (4039, 51584), (4616, 45136), (5642, 36928), (5824, 35774), (6448, 32312), (6944, 30004), (7501, 27776), (8078, 25792), (9232, 22568), (11284, 18464), (11648, 17887), (12896, 16156), (13888, 15002)]