31991182

素因数分解:

$2^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{1601}}^1$

素因数の和:1803

約数の個数: 16

約数和(自身を含む): 48982752

約数和(自身を除く): 16991570

約数列:

[1, 2, 97, 103, 194, 206, 1601, 3202, 9991, 19982, 155297, 164903, 310594, 329806, 15995591, 31991182]

約数ペア:

[(1, 31991182), (2, 15995591), (97, 329806), (103, 310594), (194, 164903), (206, 155297), (1601, 19982), (3202, 9991)]