279550208

素因数分解:

$2^8\times 7^1\times {\mathrm{257}}^1\times {\mathrm{607}}^1$

素因数の和:887

約数の個数: 72

約数和(自身を含む): 641260032

約数和(自身を除く): 361709824

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 257, 448, 514, 607, 896, 1028, 1214, 1792, 1799, 2056, 2428, 3598, 4112, 4249, 4856, 7196, 8224, 8498, 9712, 14392, 16448, 16996, 19424, 28784, 32896, 33992, 38848, 57568, 65792, 67984, 77696, 115136, 135968, 155392, 155999, 230272, 271936, 311998, 460544, 543872, 623996, 1087744, 1091993, 1247992, 2183986, 2495984, 4367972, 4991968, 8735944, 9983936, 17471888, 19967872, 34943776, 39935744, 69887552, 139775104, 279550208]

約数ペア:

[(1, 279550208), (2, 139775104), (4, 69887552), (7, 39935744), (8, 34943776), (14, 19967872), (16, 17471888), (28, 9983936), (32, 8735944), (56, 4991968), (64, 4367972), (112, 2495984), (128, 2183986), (224, 1247992), (256, 1091993), (257, 1087744), (448, 623996), (514, 543872), (607, 460544), (896, 311998), (1028, 271936), (1214, 230272), (1792, 155999), (1799, 155392), (2056, 135968), (2428, 115136), (3598, 77696), (4112, 67984), (4249, 65792), (4856, 57568), (7196, 38848), (8224, 33992), (8498, 32896), (9712, 28784), (14392, 19424), (16448, 16996)]