178987679

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{1531}}^1$

素因数の和:1607

約数の個数: 24

約数和(自身を含む): 213493392

約数和(自身を除く): 34505713

約数列:

[1, 13, 17, 23, 221, 299, 391, 529, 1531, 5083, 6877, 8993, 19903, 26027, 35213, 116909, 338351, 457769, 598621, 809899, 7782073, 10528687, 13768283, 178987679]

約数ペア:

[(1, 178987679), (13, 13768283), (17, 10528687), (23, 7782073), (221, 809899), (299, 598621), (391, 457769), (529, 338351), (1531, 116909), (5083, 35213), (6877, 26027), (8993, 19903)]