199900493

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{16001}}^1$

素因数の和:16076

約数の個数: 12

約数和(自身を含む): 222459804

約数和(自身を除く): 22559311

約数列:

[1, 13, 31, 403, 961, 12493, 16001, 208013, 496031, 6448403, 15376961, 199900493]

約数ペア:

[(1, 199900493), (13, 15376961), (31, 6448403), (403, 496031), (961, 208013), (12493, 16001)]