81856649

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{941}}^1$

素因数の和:1025

約数の個数: 24

約数和(自身を含む): 101796288

約数和(自身を除く): 19939639

約数列:

[1, 7, 17, 43, 119, 289, 301, 731, 941, 2023, 5117, 6587, 12427, 15997, 40463, 86989, 111979, 271949, 283241, 687871, 1903643, 4815097, 11693807, 81856649]

約数ペア:

[(1, 81856649), (7, 11693807), (17, 4815097), (43, 1903643), (119, 687871), (289, 283241), (301, 271949), (731, 111979), (941, 86989), (2023, 40463), (5117, 15997), (6587, 12427)]