55407781

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20393}}^1$

素因数の和:20436

約数の個数: 16

約数和(自身を含む): 68523840

約数和(自身を除く): 13116059

約数列:

[1, 11, 13, 19, 143, 209, 247, 2717, 20393, 224323, 265109, 387467, 2916199, 4262137, 5037071, 55407781]

約数ペア:

[(1, 55407781), (11, 5037071), (13, 4262137), (19, 2916199), (143, 387467), (209, 265109), (247, 224323), (2717, 20393)]