28217210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{403103}}^1$

素因数の和:403117

約数の個数: 16

約数和(自身を含む): 58046976

約数和(自身を除く): 29829766

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 403103, 806206, 2015515, 2821721, 4031030, 5643442, 14108605, 28217210]

約数ペア:

[(1, 28217210), (2, 14108605), (5, 5643442), (7, 4031030), (10, 2821721), (14, 2015515), (35, 806206), (70, 403103)]