168305.00000000

素因数分解:

$2^2\times 7^2\times {\mathrm{413689}}^1$

素因数の和:413707

約数の個数: 18

約数和(自身を含む): 165062310

約数和(自身を除く): 83979266

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 413689, 827378, 1654756, 2895823, 5791646, 11583292, 20270761, 40541522, 81083044]

約数ペア:

[(1, 81083044), (2, 40541522), (4, 20270761), (7, 11583292), (14, 5791646), (28, 2895823), (49, 1654756), (98, 827378), (196, 413689)]