398156924

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{233}}^1\times {\mathrm{547}}^1$

素因数の和:866

約数の個数: 48

約数和(自身を含む): 775547136

約数和(自身を除く): 377390212

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 233, 284, 466, 547, 781, 932, 1094, 1562, 2188, 2563, 3124, 5126, 6017, 10252, 12034, 16543, 24068, 33086, 38837, 66172, 77674, 127451, 155348, 181973, 254902, 363946, 427207, 509804, 727892, 854414, 1401961, 1708828, 2803922, 5607844, 9049021, 18098042, 36196084, 99539231, 199078462, 398156924]

約数ペア:

[(1, 398156924), (2, 199078462), (4, 99539231), (11, 36196084), (22, 18098042), (44, 9049021), (71, 5607844), (142, 2803922), (233, 1708828), (284, 1401961), (466, 854414), (547, 727892), (781, 509804), (932, 427207), (1094, 363946), (1562, 254902), (2188, 181973), (2563, 155348), (3124, 127451), (5126, 77674), (6017, 66172), (10252, 38837), (12034, 33086), (16543, 24068)]