28618870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{408841}}^1$

素因数の和:408855

約数の個数: 16

約数和(自身を含む): 58873248

約数和(自身を除く): 30254378

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 408841, 817682, 2044205, 2861887, 4088410, 5723774, 14309435, 28618870]

約数ペア:

[(1, 28618870), (2, 14309435), (5, 5723774), (7, 4088410), (10, 2861887), (14, 2044205), (35, 817682), (70, 408841)]