68820836

素因数分解:

$2^2\times 7^1\times {\mathrm{691}}^1\times {\mathrm{3557}}^1$

素因数の和:4259

約数の個数: 24

約数和(自身を含む): 137879616

約数和(自身を除く): 69058780

約数列:

[1, 2, 4, 7, 14, 28, 691, 1382, 2764, 3557, 4837, 7114, 9674, 14228, 19348, 24899, 49798, 99596, 2457887, 4915774, 9831548, 17205209, 34410418, 68820836]

約数ペア:

[(1, 68820836), (2, 34410418), (4, 17205209), (7, 9831548), (14, 4915774), (28, 2457887), (691, 99596), (1382, 49798), (2764, 24899), (3557, 19348), (4837, 14228), (7114, 9674)]