28216790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{403097}}^1$

素因数の和:403111

約数の個数: 16

約数和(自身を含む): 58046112

約数和(自身を除く): 29829322

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 403097, 806194, 2015485, 2821679, 4030970, 5643358, 14108395, 28216790]

約数ペア:

[(1, 28216790), (2, 14108395), (5, 5643358), (7, 4030970), (10, 2821679), (14, 2015485), (35, 806194), (70, 403097)]