31229066

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{19993}}^1$

素因数の和:20077

約数の個数: 16

約数和(自身を含む): 51824448

約数和(自身を除く): 20595382

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 19993, 39986, 219923, 439846, 1419503, 2839006, 15614533, 31229066]

約数ペア:

[(1, 31229066), (2, 15614533), (11, 2839006), (22, 1419503), (71, 439846), (142, 219923), (781, 39986), (1562, 19993)]