257902194

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{21589}}^1$

素因数の和:21786

約数の個数: 32

約数和(自身を含む): 565830720

約数和(自身を除く): 307928526

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 181, 362, 543, 1086, 1991, 3982, 5973, 11946, 21589, 43178, 64767, 129534, 237479, 474958, 712437, 1424874, 3907609, 7815218, 11722827, 23445654, 42983699, 85967398, 128951097, 257902194]

約数ペア:

[(1, 257902194), (2, 128951097), (3, 85967398), (6, 42983699), (11, 23445654), (22, 11722827), (33, 7815218), (66, 3907609), (181, 1424874), (362, 712437), (543, 474958), (1086, 237479), (1991, 129534), (3982, 64767), (5973, 43178), (11946, 21589)]