31873391

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{1103}}^1$

素因数の和:1222

約数の個数: 16

約数和(自身を含む): 36246528

約数和(自身を除く): 4373137

約数列:

[1, 11, 37, 71, 407, 781, 1103, 2627, 12133, 28897, 40811, 78313, 448921, 861443, 2897581, 31873391]

約数ペア:

[(1, 31873391), (11, 2897581), (37, 861443), (71, 448921), (407, 78313), (781, 40811), (1103, 28897), (2627, 12133)]