638528030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{9121829}}^1$

素因数の和:9121843

約数の個数: 16

約数和(自身を含む): 1313543520

約数和(自身を除く): 675015490

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 9121829, 18243658, 45609145, 63852803, 91218290, 127705606, 319264015, 638528030]

約数ペア:

[(1, 638528030), (2, 319264015), (5, 127705606), (7, 91218290), (10, 63852803), (14, 45609145), (35, 18243658), (70, 9121829)]