28399070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{405701}}^1$

素因数の和:405715

約数の個数: 16

約数和(自身を含む): 58421088

約数和(自身を除く): 30022018

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 405701, 811402, 2028505, 2839907, 4057010, 5679814, 14199535, 28399070]

約数ペア:

[(1, 28399070), (2, 14199535), (5, 5679814), (7, 4057010), (10, 2839907), (14, 2028505), (35, 811402), (70, 405701)]