243974912

素因数分解:

$2^8\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{557}}^1$

素因数の和:661

約数の個数: 72

約数和(自身を含む): 513248400

約数和(自身を除く): 269273488

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 59, 64, 116, 118, 128, 232, 236, 256, 464, 472, 557, 928, 944, 1114, 1711, 1856, 1888, 2228, 3422, 3712, 3776, 4456, 6844, 7424, 7552, 8912, 13688, 15104, 16153, 17824, 27376, 32306, 32863, 35648, 54752, 64612, 65726, 71296, 109504, 129224, 131452, 142592, 219008, 258448, 262904, 438016, 516896, 525808, 953027, 1033792, 1051616, 1906054, 2067584, 2103232, 3812108, 4135168, 4206464, 7624216, 8412928, 15248432, 30496864, 60993728, 121987456, 243974912]

約数ペア:

[(1, 243974912), (2, 121987456), (4, 60993728), (8, 30496864), (16, 15248432), (29, 8412928), (32, 7624216), (58, 4206464), (59, 4135168), (64, 3812108), (116, 2103232), (118, 2067584), (128, 1906054), (232, 1051616), (236, 1033792), (256, 953027), (464, 525808), (472, 516896), (557, 438016), (928, 262904), (944, 258448), (1114, 219008), (1711, 142592), (1856, 131452), (1888, 129224), (2228, 109504), (3422, 71296), (3712, 65726), (3776, 64612), (4456, 54752), (6844, 35648), (7424, 32863), (7552, 32306), (8912, 27376), (13688, 17824), (15104, 16153)]