247040528

素因数分解:

$2^4\times 7^1\times {\mathrm{2205719}}^1$

素因数の和:2205734

約数の個数: 20

約数和(自身を含む): 547018560

約数和(自身を除く): 299978032

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 2205719, 4411438, 8822876, 15440033, 17645752, 30880066, 35291504, 61760132, 123520264, 247040528]

約数ペア:

[(1, 247040528), (2, 123520264), (4, 61760132), (7, 35291504), (8, 30880066), (14, 17645752), (16, 15440033), (28, 8822876), (56, 4411438), (112, 2205719)]