217039891

素因数分解:

${\mathrm{23}}^1\times {\mathrm{37}}^2\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:271

約数の個数: 24

約数和(自身を含む): 238672224

約数和(自身を除く): 21632333

約数列:

[1, 23, 37, 61, 113, 851, 1369, 1403, 2257, 2599, 4181, 6893, 31487, 51911, 83509, 96163, 154697, 158539, 255041, 1920707, 3558031, 5865943, 9436517, 217039891]

約数ペア:

[(1, 217039891), (23, 9436517), (37, 5865943), (61, 3558031), (113, 1920707), (851, 255041), (1369, 158539), (1403, 154697), (2257, 96163), (2599, 83509), (4181, 51911), (6893, 31487)]