289702994

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{991}}^1$

素因数の和:1183

約数の個数: 48

約数和(自身を含む): 536037120

約数和(自身を除く): 246334126

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 133, 157, 266, 314, 931, 991, 1099, 1862, 1982, 2198, 2983, 5966, 6937, 7693, 13874, 15386, 18829, 20881, 37658, 41762, 48559, 97118, 131803, 146167, 155587, 263606, 292334, 311174, 922621, 1089109, 1845242, 2178218, 2956153, 5912306, 7623763, 15247526, 20693071, 41386142, 144851497, 289702994]

約数ペア:

[(1, 289702994), (2, 144851497), (7, 41386142), (14, 20693071), (19, 15247526), (38, 7623763), (49, 5912306), (98, 2956153), (133, 2178218), (157, 1845242), (266, 1089109), (314, 922621), (931, 311174), (991, 292334), (1099, 263606), (1862, 155587), (1982, 146167), (2198, 131803), (2983, 97118), (5966, 48559), (6937, 41762), (7693, 37658), (13874, 20881), (15386, 18829)]