131256588

素因数分解:

$2^2\times 3^1\times {\mathrm{139}}^1\times {\mathrm{78691}}^1$

素因数の和:78837

約数の個数: 24

約数和(自身を含む): 308472640

約数和(自身を除く): 177216052

約数列:

[1, 2, 3, 4, 6, 12, 139, 278, 417, 556, 834, 1668, 78691, 157382, 236073, 314764, 472146, 944292, 10938049, 21876098, 32814147, 43752196, 65628294, 131256588]

約数ペア:

[(1, 131256588), (2, 65628294), (3, 43752196), (4, 32814147), (6, 21876098), (12, 10938049), (139, 944292), (278, 472146), (417, 314764), (556, 236073), (834, 157382), (1668, 78691)]