28132090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{401887}}^1$

素因数の和:401901

約数の個数: 16

約数和(自身を含む): 57871872

約数和(自身を除く): 29739782

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 401887, 803774, 2009435, 2813209, 4018870, 5626418, 14066045, 28132090]

約数ペア:

[(1, 28132090), (2, 14066045), (5, 5626418), (7, 4018870), (10, 2813209), (14, 2009435), (35, 803774), (70, 401887)]