81868891

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{14411}}^1$

素因数の和:14466

約数の個数: 16

約数和(自身を含む): 96848640

約数和(自身を除く): 14979749

約数列:

[1, 13, 19, 23, 247, 299, 437, 5681, 14411, 187343, 273809, 331453, 3559517, 4308889, 6297607, 81868891]

約数ペア:

[(1, 81868891), (13, 6297607), (19, 4308889), (23, 3559517), (247, 331453), (299, 273809), (437, 187343), (5681, 14411)]