28709870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{410141}}^1$

素因数の和:410155

約数の個数: 16

約数和(自身を含む): 59060448

約数和(自身を除く): 30350578

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 410141, 820282, 2050705, 2870987, 4101410, 5741974, 14354935, 28709870]

約数ペア:

[(1, 28709870), (2, 14354935), (5, 5741974), (7, 4101410), (10, 2870987), (14, 2050705), (35, 820282), (70, 410141)]