291277922

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{27799}}^1$

素因数の和:27858

約数の個数: 24

約数和(自身を含む): 488390400

約数和(自身を除く): 197112478

約数列:

[1, 2, 13, 26, 31, 62, 169, 338, 403, 806, 5239, 10478, 27799, 55598, 361387, 722774, 861769, 1723538, 4698031, 9396062, 11202997, 22405994, 145638961, 291277922]

約数ペア:

[(1, 291277922), (2, 145638961), (13, 22405994), (26, 11202997), (31, 9396062), (62, 4698031), (169, 1723538), (338, 861769), (403, 722774), (806, 361387), (5239, 55598), (10478, 27799)]