217251328

素因数分解:

$2^9\times 7^1\times {\mathrm{60617}}^1$

素因数の和:60642

約数の個数: 40

約数和(自身を含む): 496097712

約数和(自身を除く): 278846384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1792, 3584, 60617, 121234, 242468, 424319, 484936, 848638, 969872, 1697276, 1939744, 3394552, 3879488, 6789104, 7758976, 13578208, 15517952, 27156416, 31035904, 54312832, 108625664, 217251328]

約数ペア:

[(1, 217251328), (2, 108625664), (4, 54312832), (7, 31035904), (8, 27156416), (14, 15517952), (16, 13578208), (28, 7758976), (32, 6789104), (56, 3879488), (64, 3394552), (112, 1939744), (128, 1697276), (224, 969872), (256, 848638), (448, 484936), (512, 424319), (896, 242468), (1792, 121234), (3584, 60617)]