209840371996

素因数分解:

$2^2\times {\mathrm{139}}^1\times {\mathrm{377410741}}^1$

素因数の和:377410884

約数の個数: 12

約数和(自身を含む): 369862527160

約数和(自身を除く): 160022155164

約数列:

[1, 2, 4, 139, 278, 556, 377410741, 754821482, 1509642964, 52460092999, 104920185998, 209840371996]

約数ペア:

[(1, 209840371996), (2, 104920185998), (4, 52460092999), (139, 1509642964), (278, 754821482), (556, 377410741)]