81400193

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{401}}^1\times {\mathrm{617}}^1$

素因数の和:1072

約数の個数: 16

約数和(自身を含む): 95399424

約数和(自身を除く): 13999231

約数列:

[1, 7, 47, 329, 401, 617, 2807, 4319, 18847, 28999, 131929, 202993, 247417, 1731919, 11628599, 81400193]

約数ペア:

[(1, 81400193), (7, 11628599), (47, 1731919), (329, 247417), (401, 202993), (617, 131929), (2807, 28999), (4319, 18847)]