28384090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{405487}}^1$

素因数の和:405501

約数の個数: 16

約数和(自身を含む): 58390272

約数和(自身を除く): 30006182

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 405487, 810974, 2027435, 2838409, 4054870, 5676818, 14192045, 28384090]

約数ペア:

[(1, 28384090), (2, 14192045), (5, 5676818), (7, 4054870), (10, 2838409), (14, 2027435), (35, 810974), (70, 405487)]