1639757987

素因数分解:

$7^1\times {\mathrm{107}}^1\times {\mathrm{1049}}^1\times {\mathrm{2087}}^1$

素因数の和:3250

約数の個数: 16

約数和(自身を含む): 1894233600

約数和(自身を除く): 254475613

約数列:

[1, 7, 107, 749, 1049, 2087, 7343, 14609, 112243, 223309, 785701, 1563163, 2189263, 15324841, 234251141, 1639757987]

約数ペア:

[(1, 1639757987), (7, 234251141), (107, 15324841), (749, 2189263), (1049, 1563163), (2087, 785701), (7343, 223309), (14609, 112243)]