28504210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{407203}}^1$

素因数の和:407217

約数の個数: 16

約数和(自身を含む): 58637376

約数和(自身を除く): 30133166

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 407203, 814406, 2036015, 2850421, 4072030, 5700842, 14252105, 28504210]

約数ペア:

[(1, 28504210), (2, 14252105), (5, 5700842), (7, 4072030), (10, 2850421), (14, 2036015), (35, 814406), (70, 407203)]