81342674

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{252617}}^1$

素因数の和:252649

約数の個数: 16

約数和(自身を含む): 145507968

約数和(自身を除く): 64165294

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 252617, 505234, 1768319, 3536638, 5810191, 11620382, 40671337, 81342674]

約数ペア:

[(1, 81342674), (2, 40671337), (7, 11620382), (14, 5810191), (23, 3536638), (46, 1768319), (161, 505234), (322, 252617)]