81994318

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{188927}}^1$

素因数の和:188967

約数の個数: 16

約数和(自身を含む): 145096704

約数和(自身を除く): 63102386

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 188927, 377854, 1322489, 2644978, 5856737, 11713474, 40997159, 81994318]

約数ペア:

[(1, 81994318), (2, 40997159), (7, 11713474), (14, 5856737), (31, 2644978), (62, 1322489), (217, 377854), (434, 188927)]