199954892

素因数分解:

$2^2\times {\mathrm{617}}^1\times {\mathrm{81019}}^1$

素因数の和:81640

約数の個数: 12

約数和(自身を含む): 350492520

約数和(自身を除く): 150537628

約数列:

[1, 2, 4, 617, 1234, 2468, 81019, 162038, 324076, 49988723, 99977446, 199954892]

約数ペア:

[(1, 199954892), (2, 99977446), (4, 49988723), (617, 324076), (1234, 162038), (2468, 81019)]