28507136

素因数分解:

$2^{10}\times 7^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:165

約数の個数: 88

約数和(自身を含む): 67403616

約数和(自身を除く): 38896480

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 41, 56, 64, 82, 97, 112, 128, 164, 194, 224, 256, 287, 328, 388, 448, 512, 574, 656, 679, 776, 896, 1024, 1148, 1312, 1358, 1552, 1792, 2296, 2624, 2716, 3104, 3584, 3977, 4592, 5248, 5432, 6208, 7168, 7954, 9184, 10496, 10864, 12416, 15908, 18368, 20992, 21728, 24832, 27839, 31816, 36736, 41984, 43456, 49664, 55678, 63632, 73472, 86912, 99328, 111356, 127264, 146944, 173824, 222712, 254528, 293888, 347648, 445424, 509056, 695296, 890848, 1018112, 1781696, 2036224, 3563392, 4072448, 7126784, 14253568, 28507136]

約数ペア:

[(1, 28507136), (2, 14253568), (4, 7126784), (7, 4072448), (8, 3563392), (14, 2036224), (16, 1781696), (28, 1018112), (32, 890848), (41, 695296), (56, 509056), (64, 445424), (82, 347648), (97, 293888), (112, 254528), (128, 222712), (164, 173824), (194, 146944), (224, 127264), (256, 111356), (287, 99328), (328, 86912), (388, 73472), (448, 63632), (512, 55678), (574, 49664), (656, 43456), (679, 41984), (776, 36736), (896, 31816), (1024, 27839), (1148, 24832), (1312, 21728), (1358, 20992), (1552, 18368), (1792, 15908), (2296, 12416), (2624, 10864), (2716, 10496), (3104, 9184), (3584, 7954), (3977, 7168), (4592, 6208), (5248, 5432)]