491810816

素因数分解:

$2^{12}\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1009}}^1$

素因数の和:1057

約数の個数: 104

約数和(自身を含む): 1191299040

約数和(自身を除く): 699488224

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 64, 68, 112, 119, 128, 136, 224, 238, 256, 272, 448, 476, 512, 544, 896, 952, 1009, 1024, 1088, 1792, 1904, 2018, 2048, 2176, 3584, 3808, 4036, 4096, 4352, 7063, 7168, 7616, 8072, 8704, 14126, 14336, 15232, 16144, 17153, 17408, 28252, 28672, 30464, 32288, 34306, 34816, 56504, 60928, 64576, 68612, 69632, 113008, 120071, 121856, 129152, 137224, 226016, 240142, 243712, 258304, 274448, 452032, 480284, 487424, 516608, 548896, 904064, 960568, 1033216, 1097792, 1808128, 1921136, 2066432, 2195584, 3616256, 3842272, 4132864, 4391168, 7232512, 7684544, 8782336, 14465024, 15369088, 17564672, 28930048, 30738176, 35129344, 61476352, 70258688, 122952704, 245905408, 491810816]

約数ペア:

[(1, 491810816), (2, 245905408), (4, 122952704), (7, 70258688), (8, 61476352), (14, 35129344), (16, 30738176), (17, 28930048), (28, 17564672), (32, 15369088), (34, 14465024), (56, 8782336), (64, 7684544), (68, 7232512), (112, 4391168), (119, 4132864), (128, 3842272), (136, 3616256), (224, 2195584), (238, 2066432), (256, 1921136), (272, 1808128), (448, 1097792), (476, 1033216), (512, 960568), (544, 904064), (896, 548896), (952, 516608), (1009, 487424), (1024, 480284), (1088, 452032), (1792, 274448), (1904, 258304), (2018, 243712), (2048, 240142), (2176, 226016), (3584, 137224), (3808, 129152), (4036, 121856), (4096, 120071), (4352, 113008), (7063, 69632), (7168, 68612), (7616, 64576), (8072, 60928), (8704, 56504), (14126, 34816), (14336, 34306), (15232, 32288), (16144, 30464), (17153, 28672), (17408, 28252)]