256313834

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{257861}}^1$

素因数の和:257941

約数の個数: 16

約数和(自身を含む): 445585536

約数和(自身を除く): 189271702

約数列:

[1, 2, 7, 14, 71, 142, 497, 994, 257861, 515722, 1805027, 3610054, 18308131, 36616262, 128156917, 256313834]

約数ペア:

[(1, 256313834), (2, 128156917), (7, 36616262), (14, 18308131), (71, 3610054), (142, 1805027), (497, 515722), (994, 257861)]