256290316

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{8669}}^1$

素因数の和:9081

約数の個数: 24

約数和(自身を含む): 473382000

約数和(自身を除く): 217091684

約数列:

[1, 2, 4, 19, 38, 76, 389, 778, 1556, 7391, 8669, 14782, 17338, 29564, 34676, 164711, 329422, 658844, 3372241, 6744482, 13488964, 64072579, 128145158, 256290316]

約数ペア:

[(1, 256290316), (2, 128145158), (4, 64072579), (19, 13488964), (38, 6744482), (76, 3372241), (389, 658844), (778, 329422), (1556, 164711), (7391, 34676), (8669, 29564), (14782, 17338)]