155496656

素因数分解:

$2^4\times 7^1\times {\mathrm{1388363}}^1$

素因数の和:1388378

約数の個数: 20

約数和(自身を含む): 344314272

約数和(自身を除く): 188817616

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1388363, 2776726, 5553452, 9718541, 11106904, 19437082, 22213808, 38874164, 77748328, 155496656]

約数ペア:

[(1, 155496656), (2, 77748328), (4, 38874164), (7, 22213808), (8, 19437082), (14, 11106904), (16, 9718541), (28, 5553452), (56, 2776726), (112, 1388363)]