28616971390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{408813877}}^1$

素因数の和:408813891

約数の個数: 16

約数和(自身を含む): 58869198432

約数和(自身を除く): 30252227042

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 408813877, 817627754, 2044069385, 2861697139, 4088138770, 5723394278, 14308485695, 28616971390]

約数ペア:

[(1, 28616971390), (2, 14308485695), (5, 5723394278), (7, 4088138770), (10, 2861697139), (14, 2044069385), (35, 817627754), (70, 408813877)]