261222126

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{19889}}^1$

素因数の和:20104

約数の個数: 32

約数和(自身を含む): 572832000

約数和(自身を除く): 311609874

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 199, 398, 597, 1194, 2189, 4378, 6567, 13134, 19889, 39778, 59667, 119334, 218779, 437558, 656337, 1312674, 3957911, 7915822, 11873733, 23747466, 43537021, 87074042, 130611063, 261222126]

約数ペア:

[(1, 261222126), (2, 130611063), (3, 87074042), (6, 43537021), (11, 23747466), (22, 11873733), (33, 7915822), (66, 3957911), (199, 1312674), (398, 656337), (597, 437558), (1194, 218779), (2189, 119334), (4378, 59667), (6567, 39778), (13134, 19889)]