28187894

素因数分解:

$2^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{5021}}^1$

素因数の和:5431

約数の個数: 16

約数和(自身を含む): 48452256

約数和(自身を除く): 20264362

約数列:

[1, 2, 7, 14, 401, 802, 2807, 5021, 5614, 10042, 35147, 70294, 2013421, 4026842, 14093947, 28187894]

約数ペア:

[(1, 28187894), (2, 14093947), (7, 4026842), (14, 2013421), (401, 70294), (802, 35147), (2807, 10042), (5021, 5614)]