31160338

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{19949}}^1$

素因数の和:20033

約数の個数: 16

約数和(自身を含む): 51710400

約数和(自身を除く): 20550062

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 19949, 39898, 219439, 438878, 1416379, 2832758, 15580169, 31160338]

約数ペア:

[(1, 31160338), (2, 15580169), (11, 2832758), (22, 1416379), (71, 438878), (142, 219439), (781, 39898), (1562, 19949)]