28421731870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{406024741}}^1$

素因数の和:406024755

約数の個数: 16

約数和(自身を含む): 58467562848

約数和(自身を除く): 30045830978

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 406024741, 812049482, 2030123705, 2842173187, 4060247410, 5684346374, 14210865935, 28421731870]

約数ペア:

[(1, 28421731870), (2, 14210865935), (5, 5684346374), (7, 4060247410), (10, 2842173187), (14, 2030123705), (35, 812049482), (70, 406024741)]