287640304

素因数分解:

$2^4\times 7^1\times {\mathrm{607}}^1\times {\mathrm{4231}}^1$

素因数の和:4853

約数の個数: 40

約数和(自身を含む): 638117888

約数和(自身を除く): 350477584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 607, 1214, 2428, 4231, 4249, 4856, 8462, 8498, 9712, 16924, 16996, 29617, 33848, 33992, 59234, 67696, 67984, 118468, 236936, 473872, 2568217, 5136434, 10272868, 17977519, 20545736, 35955038, 41091472, 71910076, 143820152, 287640304]

約数ペア:

[(1, 287640304), (2, 143820152), (4, 71910076), (7, 41091472), (8, 35955038), (14, 20545736), (16, 17977519), (28, 10272868), (56, 5136434), (112, 2568217), (607, 473872), (1214, 236936), (2428, 118468), (4231, 67984), (4249, 67696), (4856, 59234), (8462, 33992), (8498, 33848), (9712, 29617), (16924, 16996)]