257314434

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{827}}^1\times {\mathrm{3989}}^1$

素因数の和:4834

約数の個数: 32

約数和(自身を含む): 555024960

約数和(自身を除く): 297710526

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 827, 1654, 2481, 3989, 4962, 7978, 10751, 11967, 21502, 23934, 32253, 51857, 64506, 103714, 155571, 311142, 3298903, 6597806, 9896709, 19793418, 42885739, 85771478, 128657217, 257314434]

約数ペア:

[(1, 257314434), (2, 128657217), (3, 85771478), (6, 42885739), (13, 19793418), (26, 9896709), (39, 6597806), (78, 3298903), (827, 311142), (1654, 155571), (2481, 103714), (3989, 64506), (4962, 51857), (7978, 32253), (10751, 23934), (11967, 21502)]