256331478

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{3286301}}^1$

素因数の和:3286319

約数の個数: 16

約数和(自身を含む): 552098736

約数和(自身を除く): 295767258

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 3286301, 6572602, 9858903, 19717806, 42721913, 85443826, 128165739, 256331478]

約数ペア:

[(1, 256331478), (2, 128165739), (3, 85443826), (6, 42721913), (13, 19717806), (26, 9858903), (39, 6572602), (78, 3286301)]