128995072

素因数分解:

$2^8\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:285

約数の個数: 72

約数和(自身を含む): 268434432

約数和(自身を除く): 139439360

約数列:

[1, 2, 4, 8, 16, 32, 47, 64, 71, 94, 128, 142, 151, 188, 256, 284, 302, 376, 568, 604, 752, 1136, 1208, 1504, 2272, 2416, 3008, 3337, 4544, 4832, 6016, 6674, 7097, 9088, 9664, 10721, 12032, 13348, 14194, 18176, 19328, 21442, 26696, 28388, 38656, 42884, 53392, 56776, 85768, 106784, 113552, 171536, 213568, 227104, 343072, 427136, 454208, 503887, 686144, 854272, 908416, 1007774, 1372288, 1816832, 2015548, 2744576, 4031096, 8062192, 16124384, 32248768, 64497536, 128995072]

約数ペア:

[(1, 128995072), (2, 64497536), (4, 32248768), (8, 16124384), (16, 8062192), (32, 4031096), (47, 2744576), (64, 2015548), (71, 1816832), (94, 1372288), (128, 1007774), (142, 908416), (151, 854272), (188, 686144), (256, 503887), (284, 454208), (302, 427136), (376, 343072), (568, 227104), (604, 213568), (752, 171536), (1136, 113552), (1208, 106784), (1504, 85768), (2272, 56776), (2416, 53392), (3008, 42884), (3337, 38656), (4544, 28388), (4832, 26696), (6016, 21442), (6674, 19328), (7097, 18176), (9088, 14194), (9664, 13348), (10721, 12032)]