28279510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{403993}}^1$

素因数の和:404007

約数の個数: 16

約数和(自身を含む): 58175136

約数和(自身を除く): 29895626

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 403993, 807986, 2019965, 2827951, 4039930, 5655902, 14139755, 28279510]

約数ペア:

[(1, 28279510), (2, 14139755), (5, 5655902), (7, 4039930), (10, 2827951), (14, 2019965), (35, 807986), (70, 403993)]