278879232

素因数分解:

$2^{10}\times 3^1\times {\mathrm{23}}^1\times {\mathrm{3947}}^1$

素因数の和:3993

約数の個数: 88

約数和(自身を含む): 775829376

約数和(自身を除く): 496950144

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 46, 48, 64, 69, 92, 96, 128, 138, 184, 192, 256, 276, 368, 384, 512, 552, 736, 768, 1024, 1104, 1472, 1536, 2208, 2944, 3072, 3947, 4416, 5888, 7894, 8832, 11776, 11841, 15788, 17664, 23552, 23682, 31576, 35328, 47364, 63152, 70656, 90781, 94728, 126304, 181562, 189456, 252608, 272343, 363124, 378912, 505216, 544686, 726248, 757824, 1010432, 1089372, 1452496, 1515648, 2020864, 2178744, 2904992, 3031296, 4041728, 4357488, 5809984, 6062592, 8714976, 11619968, 12125184, 17429952, 23239936, 34859904, 46479872, 69719808, 92959744, 139439616, 278879232]

約数ペア:

[(1, 278879232), (2, 139439616), (3, 92959744), (4, 69719808), (6, 46479872), (8, 34859904), (12, 23239936), (16, 17429952), (23, 12125184), (24, 11619968), (32, 8714976), (46, 6062592), (48, 5809984), (64, 4357488), (69, 4041728), (92, 3031296), (96, 2904992), (128, 2178744), (138, 2020864), (184, 1515648), (192, 1452496), (256, 1089372), (276, 1010432), (368, 757824), (384, 726248), (512, 544686), (552, 505216), (736, 378912), (768, 363124), (1024, 272343), (1104, 252608), (1472, 189456), (1536, 181562), (2208, 126304), (2944, 94728), (3072, 90781), (3947, 70656), (4416, 63152), (5888, 47364), (7894, 35328), (8832, 31576), (11776, 23682), (11841, 23552), (15788, 17664)]