25641554

素因数分解:

$2^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1\times {\mathrm{643}}^1$

素因数の和:929

約数の個数: 16

約数和(自身を含む): 39072768

約数和(自身を除く): 13431214

約数列:

[1, 2, 127, 157, 254, 314, 643, 1286, 19939, 39878, 81661, 100951, 163322, 201902, 12820777, 25641554]

約数ペア:

[(1, 25641554), (2, 12820777), (127, 201902), (157, 163322), (254, 100951), (314, 81661), (643, 39878), (1286, 19939)]