128786896

素因数分解:

$2^4\times 7^3\times {\mathrm{31}}^1\times {\mathrm{757}}^1$

素因数の和:817

約数の個数: 80

約数和(自身を含む): 300774400

約数和(自身を除く): 171987504

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 49, 56, 62, 98, 112, 124, 196, 217, 248, 343, 392, 434, 496, 686, 757, 784, 868, 1372, 1514, 1519, 1736, 2744, 3028, 3038, 3472, 5299, 5488, 6056, 6076, 10598, 10633, 12112, 12152, 21196, 21266, 23467, 24304, 37093, 42392, 42532, 46934, 74186, 84784, 85064, 93868, 148372, 164269, 170128, 187736, 259651, 296744, 328538, 375472, 519302, 593488, 657076, 1038604, 1149883, 1314152, 2077208, 2299766, 2628304, 4154416, 4599532, 8049181, 9199064, 16098362, 18398128, 32196724, 64393448, 128786896]

約数ペア:

[(1, 128786896), (2, 64393448), (4, 32196724), (7, 18398128), (8, 16098362), (14, 9199064), (16, 8049181), (28, 4599532), (31, 4154416), (49, 2628304), (56, 2299766), (62, 2077208), (98, 1314152), (112, 1149883), (124, 1038604), (196, 657076), (217, 593488), (248, 519302), (343, 375472), (392, 328538), (434, 296744), (496, 259651), (686, 187736), (757, 170128), (784, 164269), (868, 148372), (1372, 93868), (1514, 85064), (1519, 84784), (1736, 74186), (2744, 46934), (3028, 42532), (3038, 42392), (3472, 37093), (5299, 24304), (5488, 23467), (6056, 21266), (6076, 21196), (10598, 12152), (10633, 12112)]