208172012

素因数分解:

$2^2\times {\mathrm{4003}}^1\times {\mathrm{13001}}^1$

素因数の和:17008

約数の個数: 12

約数和(自身を含む): 364420056

約数和(自身を除く): 156248044

約数列:

[1, 2, 4, 4003, 8006, 13001, 16012, 26002, 52004, 52043003, 104086006, 208172012]

約数ペア:

[(1, 208172012), (2, 104086006), (4, 52043003), (4003, 52004), (8006, 26002), (13001, 16012)]