Integer that divides the object without reminder.

def divisibleBy(self):
        """Integer that divides the object without reminder."""
        value = self._schema.get("divisibleBy", 1)
        if value is None:
            return
        if not isinstance(value, NUMERIC_TYPES):
            raise SchemaError(
                "divisibleBy value {0!r} is not a numeric type".
                format(value))
        if value < 0:
            raise SchemaError(
                "divisibleBy value {0!r} cannot be"
                " negative".format(value))
        return value