7131781811

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{9349}}^1\times {\mathrm{9907}}^1$

素因数の和:19274

約数の個数: 16

約数和(自身を含む): 8893420800

約数和(自身を除く): 1761638989

約数列:

[1, 7, 11, 77, 9349, 9907, 65443, 69349, 102839, 108977, 719873, 762839, 92620543, 648343801, 1018825973, 7131781811]

約数ペア:

[(1, 7131781811), (7, 1018825973), (11, 648343801), (77, 92620543), (9349, 762839), (9907, 719873), (65443, 108977), (69349, 102839)]