66768772

素因数分解:

$2^2\times 7^2\times {\mathrm{340657}}^1$

素因数の和:340675

約数の個数: 18

約数和(自身を含む): 135922542

約数和(自身を除く): 69153770

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 340657, 681314, 1362628, 2384599, 4769198, 9538396, 16692193, 33384386, 66768772]

約数ペア:

[(1, 66768772), (2, 33384386), (4, 16692193), (7, 9538396), (14, 4769198), (28, 2384599), (49, 1362628), (98, 681314), (196, 340657)]