28116970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{401671}}^1$

素因数の和:401685

約数の個数: 16

約数和(自身を含む): 57840768

約数和(自身を除く): 29723798

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 401671, 803342, 2008355, 2811697, 4016710, 5623394, 14058485, 28116970]

約数ペア:

[(1, 28116970), (2, 14058485), (5, 5623394), (7, 4016710), (10, 2811697), (14, 2008355), (35, 803342), (70, 401671)]