3914042

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1999}}^1$

素因数の和:2101

約数の個数: 16

約数和(自身を含む): 6480000

約数和(自身を除く): 2565958

約数列:

[1, 2, 11, 22, 89, 178, 979, 1958, 1999, 3998, 21989, 43978, 177911, 355822, 1957021, 3914042]

約数ペア:

[(1, 3914042), (2, 1957021), (11, 355822), (22, 177911), (89, 43978), (178, 21989), (979, 3998), (1958, 1999)]