31813886

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{23087}}^1$

素因数の和:23155

約数の個数: 16

約数和(自身を含む): 52363584

約数和(自身を除く): 20549698

約数列:

[1, 2, 13, 26, 53, 106, 689, 1378, 23087, 46174, 300131, 600262, 1223611, 2447222, 15906943, 31813886]

約数ペア:

[(1, 31813886), (2, 15906943), (13, 2447222), (26, 1223611), (53, 600262), (106, 300131), (689, 46174), (1378, 23087)]