28574210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{408203}}^1$

素因数の和:408217

約数の個数: 16

約数和(自身を含む): 58781376

約数和(自身を除く): 30207166

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 408203, 816406, 2041015, 2857421, 4082030, 5714842, 14287105, 28574210]

約数ペア:

[(1, 28574210), (2, 14287105), (5, 5714842), (7, 4082030), (10, 2857421), (14, 2041015), (35, 816406), (70, 408203)]