28307090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{404387}}^1$

素因数の和:404401

約数の個数: 16

約数和(自身を含む): 58231872

約数和(自身を除く): 29924782

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 404387, 808774, 2021935, 2830709, 4043870, 5661418, 14153545, 28307090]

約数ペア:

[(1, 28307090), (2, 14153545), (5, 5661418), (7, 4043870), (10, 2830709), (14, 2021935), (35, 808774), (70, 404387)]