204441728

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1999}}^1$

素因数の和:2077

約数の個数: 64

約数和(自身を含む): 440640000

約数和(自身を除く): 236198272

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 47, 64, 68, 94, 128, 136, 188, 272, 376, 544, 752, 799, 1088, 1504, 1598, 1999, 2176, 3008, 3196, 3998, 6016, 6392, 7996, 12784, 15992, 25568, 31984, 33983, 51136, 63968, 67966, 93953, 102272, 127936, 135932, 187906, 255872, 271864, 375812, 543728, 751624, 1087456, 1503248, 1597201, 2174912, 3006496, 3194402, 4349824, 6012992, 6388804, 12025984, 12777608, 25555216, 51110432, 102220864, 204441728]

約数ペア:

[(1, 204441728), (2, 102220864), (4, 51110432), (8, 25555216), (16, 12777608), (17, 12025984), (32, 6388804), (34, 6012992), (47, 4349824), (64, 3194402), (68, 3006496), (94, 2174912), (128, 1597201), (136, 1503248), (188, 1087456), (272, 751624), (376, 543728), (544, 375812), (752, 271864), (799, 255872), (1088, 187906), (1504, 135932), (1598, 127936), (1999, 102272), (2176, 93953), (3008, 67966), (3196, 63968), (3998, 51136), (6016, 33983), (6392, 31984), (7996, 25568), (12784, 15992)]