291215054

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{27793}}^1$

素因数の和:27852

約数の個数: 24

約数和(自身を含む): 488284992

約数和(自身を除く): 197069938

約数列:

[1, 2, 13, 26, 31, 62, 169, 338, 403, 806, 5239, 10478, 27793, 55586, 361309, 722618, 861583, 1723166, 4697017, 9394034, 11200579, 22401158, 145607527, 291215054]

約数ペア:

[(1, 291215054), (2, 145607527), (13, 22401158), (26, 11200579), (31, 9394034), (62, 4697017), (169, 1723166), (338, 861583), (403, 722618), (806, 361309), (5239, 55586), (10478, 27793)]