31022882

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{19861}}^1$

素因数の和:19945

約数の個数: 16

約数和(自身を含む): 51482304

約数和(自身を除く): 20459422

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 19861, 39722, 218471, 436942, 1410131, 2820262, 15511441, 31022882]

約数ペア:

[(1, 31022882), (2, 15511441), (11, 2820262), (22, 1410131), (71, 436942), (142, 218471), (781, 39722), (1562, 19861)]