27990970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{399871}}^1$

素因数の和:399885

約数の個数: 16

約数和(自身を含む): 57581568

約数和(自身を除く): 29590598

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 399871, 799742, 1999355, 2799097, 3998710, 5598194, 13995485, 27990970]

約数ペア:

[(1, 27990970), (2, 13995485), (5, 5598194), (7, 3998710), (10, 2799097), (14, 1999355), (35, 799742), (70, 399871)]