161781503

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{56311}}^1$

素因数の和:56354

約数の個数: 12

約数和(自身を含む): 185491728

約数和(自身を除く): 23710225

約数列:

[1, 13, 17, 169, 221, 2873, 56311, 732043, 957287, 9516559, 12444731, 161781503]

約数ペア:

[(1, 161781503), (13, 12444731), (17, 9516559), (169, 957287), (221, 732043), (2873, 56311)]