128902144

素因数分解:

$2^{10}\times 7^3\times {\mathrm{367}}^1$

素因数の和:408

約数の個数: 88

約数和(自身を含む): 301318400

約数和(自身を除く): 172416256

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 343, 367, 392, 448, 512, 686, 734, 784, 896, 1024, 1372, 1468, 1568, 1792, 2569, 2744, 2936, 3136, 3584, 5138, 5488, 5872, 6272, 7168, 10276, 10976, 11744, 12544, 17983, 20552, 21952, 23488, 25088, 35966, 41104, 43904, 46976, 50176, 71932, 82208, 87808, 93952, 125881, 143864, 164416, 175616, 187904, 251762, 287728, 328832, 351232, 375808, 503524, 575456, 657664, 1007048, 1150912, 1315328, 2014096, 2301824, 2630656, 4028192, 4603648, 8056384, 9207296, 16112768, 18414592, 32225536, 64451072, 128902144]

約数ペア:

[(1, 128902144), (2, 64451072), (4, 32225536), (7, 18414592), (8, 16112768), (14, 9207296), (16, 8056384), (28, 4603648), (32, 4028192), (49, 2630656), (56, 2301824), (64, 2014096), (98, 1315328), (112, 1150912), (128, 1007048), (196, 657664), (224, 575456), (256, 503524), (343, 375808), (367, 351232), (392, 328832), (448, 287728), (512, 251762), (686, 187904), (734, 175616), (784, 164416), (896, 143864), (1024, 125881), (1372, 93952), (1468, 87808), (1568, 82208), (1792, 71932), (2569, 50176), (2744, 46976), (2936, 43904), (3136, 41104), (3584, 35966), (5138, 25088), (5488, 23488), (5872, 21952), (6272, 20552), (7168, 17983), (10276, 12544), (10976, 11744)]