128581376

素因数分解:

$2^8\times 7^1\times {\mathrm{11}}^2\times {\mathrm{593}}^1$

素因数の和:638

約数の個数: 108

約数和(自身を含む): 322960176

約数和(自身を除く): 194378800

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 88, 112, 121, 128, 154, 176, 224, 242, 256, 308, 352, 448, 484, 593, 616, 704, 847, 896, 968, 1186, 1232, 1408, 1694, 1792, 1936, 2372, 2464, 2816, 3388, 3872, 4151, 4744, 4928, 6523, 6776, 7744, 8302, 9488, 9856, 13046, 13552, 15488, 16604, 18976, 19712, 26092, 27104, 30976, 33208, 37952, 45661, 52184, 54208, 66416, 71753, 75904, 91322, 104368, 108416, 132832, 143506, 151808, 182644, 208736, 216832, 265664, 287012, 365288, 417472, 502271, 531328, 574024, 730576, 834944, 1004542, 1062656, 1148048, 1461152, 1669888, 2009084, 2296096, 2922304, 4018168, 4592192, 5844608, 8036336, 9184384, 11689216, 16072672, 18368768, 32145344, 64290688, 128581376]

約数ペア:

[(1, 128581376), (2, 64290688), (4, 32145344), (7, 18368768), (8, 16072672), (11, 11689216), (14, 9184384), (16, 8036336), (22, 5844608), (28, 4592192), (32, 4018168), (44, 2922304), (56, 2296096), (64, 2009084), (77, 1669888), (88, 1461152), (112, 1148048), (121, 1062656), (128, 1004542), (154, 834944), (176, 730576), (224, 574024), (242, 531328), (256, 502271), (308, 417472), (352, 365288), (448, 287012), (484, 265664), (593, 216832), (616, 208736), (704, 182644), (847, 151808), (896, 143506), (968, 132832), (1186, 108416), (1232, 104368), (1408, 91322), (1694, 75904), (1792, 71753), (1936, 66416), (2372, 54208), (2464, 52184), (2816, 45661), (3388, 37952), (3872, 33208), (4151, 30976), (4744, 27104), (4928, 26092), (6523, 19712), (6776, 18976), (7744, 16604), (8302, 15488), (9488, 13552), (9856, 13046)]