257075714

素因数分解:

$2^1\times 7^1\times {\mathrm{3943}}^1\times {\mathrm{4657}}^1$

素因数の和:8609

約数の個数: 16

約数和(自身を含む): 440907648

約数和(自身を除く): 183831934

約数列:

[1, 2, 7, 14, 3943, 4657, 7886, 9314, 27601, 32599, 55202, 65198, 18362551, 36725102, 128537857, 257075714]

約数ペア:

[(1, 257075714), (2, 128537857), (7, 36725102), (14, 18362551), (3943, 65198), (4657, 55202), (7886, 32599), (9314, 27601)]