12665716

素因数分解:

$2^2\times 7^2\times {\mathrm{64621}}^1$

素因数の和:64639

約数の個数: 18

約数和(自身を含む): 25784178

約数和(自身を除く): 13118462

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 64621, 129242, 258484, 452347, 904694, 1809388, 3166429, 6332858, 12665716]

約数ペア:

[(1, 12665716), (2, 6332858), (4, 3166429), (7, 1809388), (14, 904694), (28, 452347), (49, 258484), (98, 129242), (196, 64621)]