281731072

素因数分解:

$2^{13}\times 7^1\times {\mathrm{17}}^3$

素因数の和:84

約数の個数: 112

約数和(自身を含む): 684154080

約数和(自身を除く): 402423008

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, 289, 448, 476, 512, 544, 578, 896, 952, 1024, 1088, 1156, 1792, 1904, 2023, 2048, 2176, 2312, 3584, 3808, 4046, 4096, 4352, 4624, 4913, 7168, 7616, 8092, 8192, 8704, 9248, 9826, 14336, 15232, 16184, 17408, 18496, 19652, 28672, 30464, 32368, 34391, 34816, 36992, 39304, 57344, 60928, 64736, 68782, 69632, 73984, 78608, 121856, 129472, 137564, 139264, 147968, 157216, 243712, 258944, 275128, 295936, 314432, 487424, 517888, 550256, 591872, 628864, 974848, 1035776, 1100512, 1183744, 1257728, 2071552, 2201024, 2367488, 2515456, 4143104, 4402048, 5030912, 8286208, 8804096, 10061824, 16572416, 17608192, 20123648, 35216384, 40247296, 70432768, 140865536, 281731072]

約数ペア:

[(1, 281731072), (2, 140865536), (4, 70432768), (7, 40247296), (8, 35216384), (14, 20123648), (16, 17608192), (17, 16572416), (28, 10061824), (32, 8804096), (34, 8286208), (56, 5030912), (64, 4402048), (68, 4143104), (112, 2515456), (119, 2367488), (128, 2201024), (136, 2071552), (224, 1257728), (238, 1183744), (256, 1100512), (272, 1035776), (289, 974848), (448, 628864), (476, 591872), (512, 550256), (544, 517888), (578, 487424), (896, 314432), (952, 295936), (1024, 275128), (1088, 258944), (1156, 243712), (1792, 157216), (1904, 147968), (2023, 139264), (2048, 137564), (2176, 129472), (2312, 121856), (3584, 78608), (3808, 73984), (4046, 69632), (4096, 68782), (4352, 64736), (4624, 60928), (4913, 57344), (7168, 39304), (7616, 36992), (8092, 34816), (8192, 34391), (8704, 32368), (9248, 30464), (9826, 28672), (14336, 19652), (15232, 18496), (16184, 17408)]