157649264

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{240319}}^1$

素因数の和:240368

約数の個数: 20

約数和(自身を含む): 312896640

約数和(自身を除く): 155247376

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 240319, 480638, 961276, 1922552, 3845104, 9853079, 19706158, 39412316, 78824632, 157649264]

約数ペア:

[(1, 157649264), (2, 78824632), (4, 39412316), (8, 19706158), (16, 9853079), (41, 3845104), (82, 1922552), (164, 961276), (328, 480638), (656, 240319)]