31381259

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{5147}}^1$

素因数の和:5234

約数の個数: 16

約数和(自身を含む): 39207168

約数和(自身を除く): 7825909

約数列:

[1, 7, 13, 67, 91, 469, 871, 5147, 6097, 36029, 66911, 344849, 468377, 2413943, 4483037, 31381259]

約数ペア:

[(1, 31381259), (7, 4483037), (13, 2413943), (67, 468377), (91, 344849), (469, 66911), (871, 36029), (5147, 6097)]