13216868

素因数分解:

$2^2\times 7^2\times {\mathrm{67433}}^1$

素因数の和:67451

約数の個数: 18

約数和(自身を含む): 26906166

約数和(自身を除く): 13689298

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 67433, 134866, 269732, 472031, 944062, 1888124, 3304217, 6608434, 13216868]

約数ペア:

[(1, 13216868), (2, 6608434), (4, 3304217), (7, 1888124), (14, 944062), (28, 472031), (49, 269732), (98, 134866), (196, 67433)]