139291217

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{379}}^1\times {\mathrm{1663}}^1$

素因数の和:2072

約数の個数: 16

約数和(自身を含む): 159344640

約数和(自身を除く): 20053423

約数列:

[1, 13, 17, 221, 379, 1663, 4927, 6443, 21619, 28271, 83759, 367523, 630277, 8193601, 10714709, 139291217]

約数ペア:

[(1, 139291217), (13, 10714709), (17, 8193601), (221, 630277), (379, 367523), (1663, 83759), (4927, 28271), (6443, 21619)]