28408030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{405829}}^1$

素因数の和:405843

約数の個数: 16

約数和(自身を含む): 58439520

約数和(自身を除く): 30031490

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 405829, 811658, 2029145, 2840803, 4058290, 5681606, 14204015, 28408030]

約数ペア:

[(1, 28408030), (2, 14204015), (5, 5681606), (7, 4058290), (10, 2840803), (14, 2029145), (35, 811658), (70, 405829)]