81723674

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{6871}}^1$

素因数の和:7205

約数の個数: 16

約数和(自身を含む): 129468480

約数和(自身を除く): 47744806

約数列:

[1, 2, 19, 38, 313, 626, 5947, 6871, 11894, 13742, 130549, 261098, 2150623, 4301246, 40861837, 81723674]

約数ペア:

[(1, 81723674), (2, 40861837), (19, 4301246), (38, 2150623), (313, 261098), (626, 130549), (5947, 13742), (6871, 11894)]