81556125952

素因数分解:

$2^8\times 7^1\times {\mathrm{229}}^1\times {\mathrm{353}}^1\times {\mathrm{563}}^1$

素因数の和:1168

約数の個数: 144

約数和(自身を含む): 187724557440

約数和(自身を除く): 106168431488

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 229, 256, 353, 448, 458, 563, 706, 896, 916, 1126, 1412, 1603, 1792, 1832, 2252, 2471, 2824, 3206, 3664, 3941, 4504, 4942, 5648, 6412, 7328, 7882, 9008, 9884, 11296, 12824, 14656, 15764, 18016, 19768, 22592, 25648, 29312, 31528, 36032, 39536, 45184, 51296, 58624, 63056, 72064, 79072, 80837, 90368, 102592, 126112, 128927, 144128, 158144, 161674, 198739, 205184, 252224, 257854, 316288, 323348, 397478, 410368, 504448, 515708, 565859, 632576, 646696, 794956, 902489, 1008896, 1031416, 1131718, 1293392, 1391173, 1589912, 1804978, 2062832, 2263436, 2586784, 2782346, 3179824, 3609956, 4125664, 4526872, 5173568, 5564692, 6359648, 7219912, 8251328, 9053744, 10347136, 11129384, 12719296, 14439824, 16502656, 18107488, 20694272, 22258768, 25438592, 28879648, 33005312, 36214976, 44517536, 45511231, 50877184, 57759296, 72429952, 89035072, 91022462, 115518592, 144859904, 178070144, 182044924, 231037184, 318578617, 356140288, 364089848, 637157234, 728179696, 1274314468, 1456359392, 2548628936, 2912718784, 5097257872, 5825437568, 10194515744, 11650875136, 20389031488, 40778062976, 81556125952]

約数ペア:

[(1, 81556125952), (2, 40778062976), (4, 20389031488), (7, 11650875136), (8, 10194515744), (14, 5825437568), (16, 5097257872), (28, 2912718784), (32, 2548628936), (56, 1456359392), (64, 1274314468), (112, 728179696), (128, 637157234), (224, 364089848), (229, 356140288), (256, 318578617), (353, 231037184), (448, 182044924), (458, 178070144), (563, 144859904), (706, 115518592), (896, 91022462), (916, 89035072), (1126, 72429952), (1412, 57759296), (1603, 50877184), (1792, 45511231), (1832, 44517536), (2252, 36214976), (2471, 33005312), (2824, 28879648), (3206, 25438592), (3664, 22258768), (3941, 20694272), (4504, 18107488), (4942, 16502656), (5648, 14439824), (6412, 12719296), (7328, 11129384), (7882, 10347136), (9008, 9053744), (9884, 8251328), (11296, 7219912), (12824, 6359648), (14656, 5564692), (15764, 5173568), (18016, 4526872), (19768, 4125664), (22592, 3609956), (25648, 3179824), (29312, 2782346), (31528, 2586784), (36032, 2263436), (39536, 2062832), (45184, 1804978), (51296, 1589912), (58624, 1391173), (63056, 1293392), (72064, 1131718), (79072, 1031416), (80837, 1008896), (90368, 902489), (102592, 794956), (126112, 646696), (128927, 632576), (144128, 565859), (158144, 515708), (161674, 504448), (198739, 410368), (205184, 397478), (252224, 323348), (257854, 316288)]