128249989

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{487}}^1\times {\mathrm{2213}}^1$

素因数の和:2724

約数の個数: 16

約数和(自身を含む): 155582208

約数和(自身を除く): 27332219

約数列:

[1, 7, 17, 119, 487, 2213, 3409, 8279, 15491, 37621, 57953, 263347, 1077731, 7544117, 18321427, 128249989]

約数ペア:

[(1, 128249989), (7, 18321427), (17, 7544117), (119, 1077731), (487, 263347), (2213, 57953), (3409, 37621), (8279, 15491)]