857760001

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{379}}^1$

素因数の和:605

約数の個数: 32

約数和(自身を含む): 1029416960

約数和(自身を除く): 171656959

約数列:

[1, 7, 43, 73, 103, 301, 379, 511, 721, 2653, 3139, 4429, 7519, 16297, 21973, 27667, 31003, 39037, 52633, 114079, 193669, 273259, 323317, 1189681, 1678591, 2263219, 2849701, 8327767, 11750137, 19947907, 122537143, 857760001]

約数ペア:

[(1, 857760001), (7, 122537143), (43, 19947907), (73, 11750137), (103, 8327767), (301, 2849701), (379, 2263219), (511, 1678591), (721, 1189681), (2653, 323317), (3139, 273259), (4429, 193669), (7519, 114079), (16297, 52633), (21973, 39037), (27667, 31003)]