1274323456

素因数分解:

$2^9\times 7^1\times {\mathrm{355559}}^1$

素因数の和:355584

約数の個数: 40

約数和(自身を含む): 2909903040

約数和(自身を除く): 1635579584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1792, 3584, 355559, 711118, 1422236, 2488913, 2844472, 4977826, 5688944, 9955652, 11377888, 19911304, 22755776, 39822608, 45511552, 79645216, 91023104, 159290432, 182046208, 318580864, 637161728, 1274323456]

約数ペア:

[(1, 1274323456), (2, 637161728), (4, 318580864), (7, 182046208), (8, 159290432), (14, 91023104), (16, 79645216), (28, 45511552), (32, 39822608), (56, 22755776), (64, 19911304), (112, 11377888), (128, 9955652), (224, 5688944), (256, 4977826), (448, 2844472), (512, 2488913), (896, 1422236), (1792, 711118), (3584, 355559)]